12462500

素因数分解:

$2^2\times 5^5\times {\mathrm{997}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 27287316

約数和(自身を除く): 14824816

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 997, 1250, 1994, 2500, 3125, 3988, 4985, 6250, 9970, 12500, 19940, 24925, 49850, 99700, 124625, 249250, 498500, 623125, 1246250, 2492500, 3115625, 6231250, 12462500]

約数ペア:

[(1, 12462500), (2, 6231250), (4, 3115625), (5, 2492500), (10, 1246250), (20, 623125), (25, 498500), (50, 249250), (100, 124625), (125, 99700), (250, 49850), (500, 24925), (625, 19940), (997, 12500), (1250, 9970), (1994, 6250), (2500, 4985), (3125, 3988)]