28657100

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{5407}}^1$

素因数の和:5474

約数の個数: 36

約数和(自身を含む): 63370944

約数和(自身を除く): 34713844

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 5407, 10814, 21628, 27035, 54070, 108140, 135175, 270350, 286571, 540700, 573142, 1146284, 1432855, 2865710, 5731420, 7164275, 14328550, 28657100]

約数ペア:

[(1, 28657100), (2, 14328550), (4, 7164275), (5, 5731420), (10, 2865710), (20, 1432855), (25, 1146284), (50, 573142), (53, 540700), (100, 286571), (106, 270350), (212, 135175), (265, 108140), (530, 54070), (1060, 27035), (1325, 21628), (2650, 10814), (5300, 5407)]