86787740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{631}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 205503648

約数和(自身を除く): 118715908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 529, 598, 631, 1058, 1196, 1262, 1495, 2116, 2524, 2645, 2990, 3155, 5290, 5980, 6310, 6877, 8203, 10580, 12620, 13754, 14513, 16406, 27508, 29026, 32812, 34385, 41015, 58052, 68770, 72565, 82030, 137540, 145130, 164060, 188669, 290260, 333799, 377338, 667598, 754676, 943345, 1335196, 1668995, 1886690, 3337990, 3773380, 4339387, 6675980, 8678774, 17357548, 21696935, 43393870, 86787740]

約数ペア:

[(1, 86787740), (2, 43393870), (4, 21696935), (5, 17357548), (10, 8678774), (13, 6675980), (20, 4339387), (23, 3773380), (26, 3337990), (46, 1886690), (52, 1668995), (65, 1335196), (92, 943345), (115, 754676), (130, 667598), (230, 377338), (260, 333799), (299, 290260), (460, 188669), (529, 164060), (598, 145130), (631, 137540), (1058, 82030), (1196, 72565), (1262, 68770), (1495, 58052), (2116, 41015), (2524, 34385), (2645, 32812), (2990, 29026), (3155, 27508), (5290, 16406), (5980, 14513), (6310, 13754), (6877, 12620), (8203, 10580)]