85877740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 203777280

約数和(自身を除く): 117899540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 79, 113, 130, 148, 158, 185, 226, 260, 316, 370, 395, 452, 481, 565, 740, 790, 962, 1027, 1130, 1469, 1580, 1924, 2054, 2260, 2405, 2923, 2938, 4108, 4181, 4810, 5135, 5846, 5876, 7345, 8362, 8927, 9620, 10270, 11692, 14615, 14690, 16724, 17854, 20540, 20905, 29230, 29380, 35708, 37999, 41810, 44635, 54353, 58460, 75998, 83620, 89270, 108706, 116051, 151996, 178540, 189995, 217412, 232102, 271765, 330299, 379990, 464204, 543530, 580255, 660598, 759980, 1087060, 1160510, 1321196, 1651495, 2321020, 3302990, 4293887, 6605980, 8587774, 17175548, 21469435, 42938870, 85877740]

約数ペア:

[(1, 85877740), (2, 42938870), (4, 21469435), (5, 17175548), (10, 8587774), (13, 6605980), (20, 4293887), (26, 3302990), (37, 2321020), (52, 1651495), (65, 1321196), (74, 1160510), (79, 1087060), (113, 759980), (130, 660598), (148, 580255), (158, 543530), (185, 464204), (226, 379990), (260, 330299), (316, 271765), (370, 232102), (395, 217412), (452, 189995), (481, 178540), (565, 151996), (740, 116051), (790, 108706), (962, 89270), (1027, 83620), (1130, 75998), (1469, 58460), (1580, 54353), (1924, 44635), (2054, 41810), (2260, 37999), (2405, 35708), (2923, 29380), (2938, 29230), (4108, 20905), (4181, 20540), (4810, 17854), (5135, 16724), (5846, 14690), (5876, 14615), (7345, 11692), (8362, 10270), (8927, 9620)]