90717380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{911}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 205922304

約数和(自身を除く): 115204924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 383, 766, 911, 1532, 1822, 1915, 3644, 3830, 4555, 4979, 7660, 9110, 9958, 11843, 18220, 19916, 23686, 24895, 47372, 49790, 59215, 99580, 118430, 236860, 348913, 697826, 1395652, 1744565, 3489130, 4535869, 6978260, 9071738, 18143476, 22679345, 45358690, 90717380]

約数ペア:

[(1, 90717380), (2, 45358690), (4, 22679345), (5, 18143476), (10, 9071738), (13, 6978260), (20, 4535869), (26, 3489130), (52, 1744565), (65, 1395652), (130, 697826), (260, 348913), (383, 236860), (766, 118430), (911, 99580), (1532, 59215), (1822, 49790), (1915, 47372), (3644, 24895), (3830, 23686), (4555, 19916), (4979, 18220), (7660, 11843), (9110, 9958)]