1005280231940

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{126609601}}^1$

素因数の和:126610007

約数の個数: 24

約数和(自身を含む): 2116406107032

約数和(自身を除く): 1111125875092

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 126609601, 253219202, 506438404, 633048005, 1266096010, 2532192020, 50264011597, 100528023194, 201056046388, 251320057985, 502640115970, 1005280231940]

約数ペア:

[(1, 1005280231940), (2, 502640115970), (4, 251320057985), (5, 201056046388), (10, 100528023194), (20, 50264011597), (397, 2532192020), (794, 1266096010), (1588, 633048005), (1985, 506438404), (3970, 253219202), (7940, 126609601)]