51189320

素因数分解:

$2^3\times 5^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:93

約数の個数: 160

約数和(自身を含む): 148228920

約数和(自身を除く): 97039600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 70, 82, 91, 98, 104, 130, 140, 164, 182, 196, 205, 245, 260, 280, 287, 328, 343, 364, 392, 410, 455, 490, 520, 533, 574, 637, 686, 728, 820, 910, 980, 1066, 1148, 1274, 1372, 1435, 1640, 1715, 1820, 1960, 2009, 2132, 2296, 2401, 2548, 2665, 2744, 2870, 3185, 3430, 3640, 3731, 4018, 4264, 4459, 4802, 5096, 5330, 5740, 6370, 6860, 7462, 8036, 8918, 9604, 10045, 10660, 11480, 12005, 12740, 13720, 14063, 14924, 16072, 17836, 18655, 19208, 20090, 21320, 22295, 24010, 25480, 26117, 28126, 29848, 31213, 35672, 37310, 40180, 44590, 48020, 52234, 56252, 62426, 70315, 74620, 80360, 89180, 96040, 98441, 104468, 112504, 124852, 130585, 140630, 149240, 156065, 178360, 182819, 196882, 208936, 249704, 261170, 281260, 312130, 365638, 393764, 492205, 522340, 562520, 624260, 731276, 787528, 914095, 984410, 1044680, 1248520, 1279733, 1462552, 1828190, 1968820, 2559466, 3656380, 3937640, 5118932, 6398665, 7312760, 10237864, 12797330, 25594660, 51189320]

約数ペア:

[(1, 51189320), (2, 25594660), (4, 12797330), (5, 10237864), (7, 7312760), (8, 6398665), (10, 5118932), (13, 3937640), (14, 3656380), (20, 2559466), (26, 1968820), (28, 1828190), (35, 1462552), (40, 1279733), (41, 1248520), (49, 1044680), (52, 984410), (56, 914095), (65, 787528), (70, 731276), (82, 624260), (91, 562520), (98, 522340), (104, 492205), (130, 393764), (140, 365638), (164, 312130), (182, 281260), (196, 261170), (205, 249704), (245, 208936), (260, 196882), (280, 182819), (287, 178360), (328, 156065), (343, 149240), (364, 140630), (392, 130585), (410, 124852), (455, 112504), (490, 104468), (520, 98441), (533, 96040), (574, 89180), (637, 80360), (686, 74620), (728, 70315), (820, 62426), (910, 56252), (980, 52234), (1066, 48020), (1148, 44590), (1274, 40180), (1372, 37310), (1435, 35672), (1640, 31213), (1715, 29848), (1820, 28126), (1960, 26117), (2009, 25480), (2132, 24010), (2296, 22295), (2401, 21320), (2548, 20090), (2665, 19208), (2744, 18655), (2870, 17836), (3185, 16072), (3430, 14924), (3640, 14063), (3731, 13720), (4018, 12740), (4264, 12005), (4459, 11480), (4802, 10660), (5096, 10045), (5330, 9604), (5740, 8918), (6370, 8036), (6860, 7462)]