100381360

素因数分解:

$2^4\times 5^1\times {\mathrm{1254767}}^1$

素因数の和:1254780

約数の個数: 20

約数和(自身を含む): 233386848

約数和(自身を除く): 133005488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1254767, 2509534, 5019068, 6273835, 10038136, 12547670, 20076272, 25095340, 50190680, 100381360]

約数ペア:

[(1, 100381360), (2, 50190680), (4, 25095340), (5, 20076272), (8, 12547670), (10, 10038136), (16, 6273835), (20, 5019068), (40, 2509534), (80, 1254767)]