64913860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2707}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 150131520

約数和(自身を除く): 85217660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2707, 4796, 5414, 5995, 10828, 11990, 13535, 23980, 27070, 29777, 54140, 59554, 119108, 148885, 295063, 297770, 590126, 595540, 1180252, 1475315, 2950630, 3245693, 5901260, 6491386, 12982772, 16228465, 32456930, 64913860]

約数ペア:

[(1, 64913860), (2, 32456930), (4, 16228465), (5, 12982772), (10, 6491386), (11, 5901260), (20, 3245693), (22, 2950630), (44, 1475315), (55, 1180252), (109, 595540), (110, 590126), (218, 297770), (220, 295063), (436, 148885), (545, 119108), (1090, 59554), (1199, 54140), (2180, 29777), (2398, 27070), (2707, 23980), (4796, 13535), (5414, 11990), (5995, 10828)]