15628220

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2239}}^1$

素因数の和:2597

約数の個数: 24

約数和(自身を含む): 32928000

約数和(自身を除く): 17299780

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2239, 3490, 4478, 6980, 8956, 11195, 22390, 44780, 781411, 1562822, 3125644, 3907055, 7814110, 15628220]

約数ペア:

[(1, 15628220), (2, 7814110), (4, 3907055), (5, 3125644), (10, 1562822), (20, 781411), (349, 44780), (698, 22390), (1396, 11195), (1745, 8956), (2239, 6980), (3490, 4478)]