64884920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{95419}}^1$

素因数の和:95447

約数の個数: 32

約数和(自身を含む): 154580400

約数和(自身を除く): 89695480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 95419, 190838, 381676, 477095, 763352, 954190, 1622123, 1908380, 3244246, 3816760, 6488492, 8110615, 12976984, 16221230, 32442460, 64884920]

約数ペア:

[(1, 64884920), (2, 32442460), (4, 16221230), (5, 12976984), (8, 8110615), (10, 6488492), (17, 3816760), (20, 3244246), (34, 1908380), (40, 1622123), (68, 954190), (85, 763352), (136, 477095), (170, 381676), (340, 190838), (680, 95419)]