99173680

素因数分解:

$2^4\times 5^1\times {\mathrm{1239671}}^1$

素因数の和:1239684

約数の個数: 20

約数和(自身を含む): 230578992

約数和(自身を除く): 131405312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1239671, 2479342, 4958684, 6198355, 9917368, 12396710, 19834736, 24793420, 49586840, 99173680]

約数ペア:

[(1, 99173680), (2, 49586840), (4, 24793420), (5, 19834736), (8, 12396710), (10, 9917368), (16, 6198355), (20, 4958684), (40, 2479342), (80, 1239671)]