25251580

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2999}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 53172000

約数和(自身を除く): 27920420

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 2999, 4210, 5998, 8420, 11996, 14995, 29990, 59980, 1262579, 2525158, 5050316, 6312895, 12625790, 25251580]

約数ペア:

[(1, 25251580), (2, 12625790), (4, 6312895), (5, 5050316), (10, 2525158), (20, 1262579), (421, 59980), (842, 29990), (1684, 14995), (2105, 11996), (2999, 8420), (4210, 5998)]