13780460

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4957}}^1$

素因数の和:5105

約数の個数: 24

約数和(自身を含む): 29153040

約数和(自身を除く): 15372580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4957, 9914, 19828, 24785, 49570, 99140, 689023, 1378046, 2756092, 3445115, 6890230, 13780460]

約数ペア:

[(1, 13780460), (2, 6890230), (4, 3445115), (5, 2756092), (10, 1378046), (20, 689023), (139, 99140), (278, 49570), (556, 24785), (695, 19828), (1390, 9914), (2780, 4957)]