12775450

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1506

約数の個数: 24

約数和(自身を含む): 23901372

約数和(自身を除く): 11125922

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1297, 1970, 2594, 4925, 6485, 9850, 12970, 32425, 64850, 255509, 511018, 1277545, 2555090, 6387725, 12775450]

約数ペア:

[(1, 12775450), (2, 6387725), (5, 2555090), (10, 1277545), (25, 511018), (50, 255509), (197, 64850), (394, 32425), (985, 12970), (1297, 9850), (1970, 6485), (2594, 4925)]