9555220

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2247

約数の個数: 24

約数和(自身を含む): 20160000

約数和(自身を除く): 10604780

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 1999, 2390, 3998, 4780, 7996, 9995, 19990, 39980, 477761, 955522, 1911044, 2388805, 4777610, 9555220]

約数ペア:

[(1, 9555220), (2, 4777610), (4, 2388805), (5, 1911044), (10, 955522), (20, 477761), (239, 39980), (478, 19990), (956, 9995), (1195, 7996), (1999, 4780), (2390, 3998)]