64744480

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3581}}^1$

素因数の和:3709

約数の個数: 48

約数和(自身を含む): 154355544

約数和(自身を除く): 89611064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3581, 3616, 4520, 7162, 9040, 14324, 17905, 18080, 28648, 35810, 57296, 71620, 114592, 143240, 286480, 404653, 572960, 809306, 1618612, 2023265, 3237224, 4046530, 6474448, 8093060, 12948896, 16186120, 32372240, 64744480]

約数ペア:

[(1, 64744480), (2, 32372240), (4, 16186120), (5, 12948896), (8, 8093060), (10, 6474448), (16, 4046530), (20, 3237224), (32, 2023265), (40, 1618612), (80, 809306), (113, 572960), (160, 404653), (226, 286480), (452, 143240), (565, 114592), (904, 71620), (1130, 57296), (1808, 35810), (2260, 28648), (3581, 18080), (3616, 17905), (4520, 14324), (7162, 9040)]