26253680

素因数分解:

$2^4\times 5^1\times {\mathrm{328171}}^1$

素因数の和:328184

約数の個数: 20

約数和(自身を含む): 61039992

約数和(自身を除く): 34786312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328171, 656342, 1312684, 1640855, 2625368, 3281710, 5250736, 6563420, 13126840, 26253680]

約数ペア:

[(1, 26253680), (2, 13126840), (4, 6563420), (5, 5250736), (8, 3281710), (10, 2625368), (16, 1640855), (20, 1312684), (40, 656342), (80, 328171)]