51393040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 138848256

約数和(自身を除く): 87455216

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 31, 34, 40, 46, 53, 62, 68, 80, 85, 92, 106, 115, 124, 136, 155, 170, 184, 212, 230, 248, 265, 272, 310, 340, 368, 391, 424, 460, 496, 527, 530, 620, 680, 713, 782, 848, 901, 920, 1054, 1060, 1219, 1240, 1360, 1426, 1564, 1643, 1802, 1840, 1955, 2108, 2120, 2438, 2480, 2635, 2852, 3128, 3286, 3565, 3604, 3910, 4216, 4240, 4505, 4876, 5270, 5704, 6095, 6256, 6572, 7130, 7208, 7820, 8215, 8432, 9010, 9752, 10540, 11408, 12121, 12190, 13144, 14260, 14416, 15640, 16430, 18020, 19504, 20723, 21080, 24242, 24380, 26288, 27931, 28520, 31280, 32860, 36040, 37789, 41446, 42160, 48484, 48760, 55862, 57040, 60605, 65720, 72080, 75578, 82892, 96968, 97520, 103615, 111724, 121210, 131440, 139655, 151156, 165784, 188945, 193936, 207230, 223448, 242420, 279310, 302312, 331568, 377890, 414460, 446896, 484840, 558620, 604624, 642413, 755780, 828920, 969680, 1117240, 1284826, 1511560, 1657840, 2234480, 2569652, 3023120, 3212065, 5139304, 6424130, 10278608, 12848260, 25696520, 51393040]

約数ペア:

[(1, 51393040), (2, 25696520), (4, 12848260), (5, 10278608), (8, 6424130), (10, 5139304), (16, 3212065), (17, 3023120), (20, 2569652), (23, 2234480), (31, 1657840), (34, 1511560), (40, 1284826), (46, 1117240), (53, 969680), (62, 828920), (68, 755780), (80, 642413), (85, 604624), (92, 558620), (106, 484840), (115, 446896), (124, 414460), (136, 377890), (155, 331568), (170, 302312), (184, 279310), (212, 242420), (230, 223448), (248, 207230), (265, 193936), (272, 188945), (310, 165784), (340, 151156), (368, 139655), (391, 131440), (424, 121210), (460, 111724), (496, 103615), (527, 97520), (530, 96968), (620, 82892), (680, 75578), (713, 72080), (782, 65720), (848, 60605), (901, 57040), (920, 55862), (1054, 48760), (1060, 48484), (1219, 42160), (1240, 41446), (1360, 37789), (1426, 36040), (1564, 32860), (1643, 31280), (1802, 28520), (1840, 27931), (1955, 26288), (2108, 24380), (2120, 24242), (2438, 21080), (2480, 20723), (2635, 19504), (2852, 18020), (3128, 16430), (3286, 15640), (3565, 14416), (3604, 14260), (3910, 13144), (4216, 12190), (4240, 12121), (4505, 11408), (4876, 10540), (5270, 9752), (5704, 9010), (6095, 8432), (6256, 8215), (6572, 7820), (7130, 7208)]