20183358640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:731

約数の個数: 160

約数和(自身を含む): 49001863680

約数和(自身を除く): 28818505040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 107, 131, 164, 205, 214, 262, 328, 410, 428, 439, 524, 535, 655, 656, 820, 856, 878, 1048, 1070, 1310, 1640, 1712, 1756, 2096, 2140, 2195, 2620, 3280, 3512, 4280, 4387, 4390, 5240, 5371, 7024, 8560, 8774, 8780, 10480, 10742, 14017, 17548, 17560, 17999, 21484, 21935, 26855, 28034, 35096, 35120, 35998, 42968, 43870, 46973, 53710, 56068, 57509, 70085, 70192, 71996, 85936, 87740, 89995, 93946, 107420, 112136, 115018, 140170, 143992, 175480, 179990, 187892, 214840, 224272, 230036, 234865, 280340, 287545, 287984, 350960, 359980, 375784, 429680, 460072, 469730, 560680, 574697, 575090, 719960, 751568, 920144, 939460, 1121360, 1149394, 1150180, 1439920, 1878920, 1925893, 2298788, 2300360, 2357869, 2873485, 3757840, 3851786, 4597576, 4600720, 4715738, 5746970, 6153463, 7703572, 9195152, 9431476, 9629465, 11493940, 11789345, 12306926, 15407144, 18862952, 19258930, 22987880, 23578690, 24613852, 30767315, 30814288, 37725904, 38517860, 45975760, 47157380, 49227704, 61534630, 77035720, 94314760, 98455408, 123069260, 154071440, 188629520, 246138520, 252291983, 492277040, 504583966, 1009167932, 1261459915, 2018335864, 2522919830, 4036671728, 5045839660, 10091679320, 20183358640]

約数ペア:

[(1, 20183358640), (2, 10091679320), (4, 5045839660), (5, 4036671728), (8, 2522919830), (10, 2018335864), (16, 1261459915), (20, 1009167932), (40, 504583966), (41, 492277040), (80, 252291983), (82, 246138520), (107, 188629520), (131, 154071440), (164, 123069260), (205, 98455408), (214, 94314760), (262, 77035720), (328, 61534630), (410, 49227704), (428, 47157380), (439, 45975760), (524, 38517860), (535, 37725904), (655, 30814288), (656, 30767315), (820, 24613852), (856, 23578690), (878, 22987880), (1048, 19258930), (1070, 18862952), (1310, 15407144), (1640, 12306926), (1712, 11789345), (1756, 11493940), (2096, 9629465), (2140, 9431476), (2195, 9195152), (2620, 7703572), (3280, 6153463), (3512, 5746970), (4280, 4715738), (4387, 4600720), (4390, 4597576), (5240, 3851786), (5371, 3757840), (7024, 2873485), (8560, 2357869), (8774, 2300360), (8780, 2298788), (10480, 1925893), (10742, 1878920), (14017, 1439920), (17548, 1150180), (17560, 1149394), (17999, 1121360), (21484, 939460), (21935, 920144), (26855, 751568), (28034, 719960), (35096, 575090), (35120, 574697), (35998, 560680), (42968, 469730), (43870, 460072), (46973, 429680), (53710, 375784), (56068, 359980), (57509, 350960), (70085, 287984), (70192, 287545), (71996, 280340), (85936, 234865), (87740, 230036), (89995, 224272), (93946, 214840), (107420, 187892), (112136, 179990), (115018, 175480), (140170, 143992)]