25219100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{6151}}^1$

素因数の和:6206

約数の個数: 36

約数和(自身を含む): 56069328

約数和(自身を除く): 30850228

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 6151, 12302, 24604, 30755, 61510, 123020, 153775, 252191, 307550, 504382, 615100, 1008764, 1260955, 2521910, 5043820, 6304775, 12609550, 25219100]

約数ペア:

[(1, 25219100), (2, 12609550), (4, 6304775), (5, 5043820), (10, 2521910), (20, 1260955), (25, 1008764), (41, 615100), (50, 504382), (82, 307550), (100, 252191), (164, 153775), (205, 123020), (410, 61510), (820, 30755), (1025, 24604), (2050, 12302), (4100, 6151)]