90591920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{36529}}^1$

素因数の和:36573

約数の個数: 40

約数和(自身を含む): 217426560

約数和(自身を除く): 126834640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 36529, 73058, 146116, 182645, 292232, 365290, 584464, 730580, 1132399, 1461160, 2264798, 2922320, 4529596, 5661995, 9059192, 11323990, 18118384, 22647980, 45295960, 90591920]

約数ペア:

[(1, 90591920), (2, 45295960), (4, 22647980), (5, 18118384), (8, 11323990), (10, 9059192), (16, 5661995), (20, 4529596), (31, 2922320), (40, 2264798), (62, 1461160), (80, 1132399), (124, 730580), (155, 584464), (248, 365290), (310, 292232), (496, 182645), (620, 146116), (1240, 73058), (2480, 36529)]