51619360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 139454784

約数和(自身を除く): 87835424

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 83, 92, 104, 115, 130, 160, 166, 169, 184, 208, 230, 260, 299, 332, 338, 368, 415, 416, 460, 520, 598, 664, 676, 736, 830, 845, 920, 1040, 1079, 1196, 1328, 1352, 1495, 1660, 1690, 1840, 1909, 2080, 2158, 2392, 2656, 2704, 2990, 3320, 3380, 3680, 3818, 3887, 4316, 4784, 5395, 5408, 5980, 6640, 6760, 7636, 7774, 8632, 9545, 9568, 10790, 11960, 13280, 13520, 14027, 15272, 15548, 17264, 19090, 19435, 21580, 23920, 24817, 27040, 28054, 30544, 31096, 34528, 38180, 38870, 43160, 47840, 49634, 56108, 61088, 62192, 70135, 76360, 77740, 86320, 99268, 112216, 124085, 124384, 140270, 152720, 155480, 172640, 198536, 224432, 248170, 280540, 305440, 310960, 322621, 397072, 448864, 496340, 561080, 621920, 645242, 794144, 992680, 1122160, 1290484, 1613105, 1985360, 2244320, 2580968, 3226210, 3970720, 5161936, 6452420, 10323872, 12904840, 25809680, 51619360]

約数ペア:

[(1, 51619360), (2, 25809680), (4, 12904840), (5, 10323872), (8, 6452420), (10, 5161936), (13, 3970720), (16, 3226210), (20, 2580968), (23, 2244320), (26, 1985360), (32, 1613105), (40, 1290484), (46, 1122160), (52, 992680), (65, 794144), (80, 645242), (83, 621920), (92, 561080), (104, 496340), (115, 448864), (130, 397072), (160, 322621), (166, 310960), (169, 305440), (184, 280540), (208, 248170), (230, 224432), (260, 198536), (299, 172640), (332, 155480), (338, 152720), (368, 140270), (415, 124384), (416, 124085), (460, 112216), (520, 99268), (598, 86320), (664, 77740), (676, 76360), (736, 70135), (830, 62192), (845, 61088), (920, 56108), (1040, 49634), (1079, 47840), (1196, 43160), (1328, 38870), (1352, 38180), (1495, 34528), (1660, 31096), (1690, 30544), (1840, 28054), (1909, 27040), (2080, 24817), (2158, 23920), (2392, 21580), (2656, 19435), (2704, 19090), (2990, 17264), (3320, 15548), (3380, 15272), (3680, 14027), (3818, 13520), (3887, 13280), (4316, 11960), (4784, 10790), (5395, 9568), (5408, 9545), (5980, 8632), (6640, 7774), (6760, 7636)]