8931980

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2267}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 18860688

約数和(自身を除く): 9928708

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2267, 3940, 4534, 9068, 11335, 22670, 45340, 446599, 893198, 1786396, 2232995, 4465990, 8931980]

約数ペア:

[(1, 8931980), (2, 4465990), (4, 2232995), (5, 1786396), (10, 893198), (20, 446599), (197, 45340), (394, 22670), (788, 11335), (985, 9068), (1970, 4534), (2267, 3940)]