25231880

素因数分解:

$2^3\times 5^1\times {\mathrm{630797}}^1$

素因数の和:630808

約数の個数: 16

約数和(自身を含む): 56771820

約数和(自身を除く): 31539940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 630797, 1261594, 2523188, 3153985, 5046376, 6307970, 12615940, 25231880]

約数ペア:

[(1, 25231880), (2, 12615940), (4, 6307970), (5, 5046376), (8, 3153985), (10, 2523188), (20, 1261594), (40, 630797)]