400419850

素因数分解:

$2^1\times 5^2\times {\mathrm{1583}}^1\times {\mathrm{5059}}^1$

素因数の和:6654

約数の個数: 24

約数和(自身を含む): 745398720

約数和(自身を除く): 344978870

約数列:

[1, 2, 5, 10, 25, 50, 1583, 3166, 5059, 7915, 10118, 15830, 25295, 39575, 50590, 79150, 126475, 252950, 8008397, 16016794, 40041985, 80083970, 200209925, 400419850]

約数ペア:

[(1, 400419850), (2, 200209925), (5, 80083970), (10, 40041985), (25, 16016794), (50, 8008397), (1583, 252950), (3166, 126475), (5059, 79150), (7915, 50590), (10118, 39575), (15830, 25295)]