25389040

素因数分解:

$2^4\times 5^1\times {\mathrm{317363}}^1$

素因数の和:317376

約数の個数: 20

約数和(自身を含む): 59029704

約数和(自身を除く): 33640664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317363, 634726, 1269452, 1586815, 2538904, 3173630, 5077808, 6347260, 12694520, 25389040]

約数ペア:

[(1, 25389040), (2, 12694520), (4, 6347260), (5, 5077808), (8, 3173630), (10, 2538904), (16, 1586815), (20, 1269452), (40, 634726), (80, 317363)]