25389680

素因数分解:

$2^4\times 5^1\times {\mathrm{317371}}^1$

素因数の和:317384

約数の個数: 20

約数和(自身を含む): 59031192

約数和(自身を除く): 33641512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317371, 634742, 1269484, 1586855, 2538968, 3173710, 5077936, 6347420, 12694840, 25389680]

約数ペア:

[(1, 25389680), (2, 12694840), (4, 6347420), (5, 5077936), (8, 3173710), (10, 2538968), (16, 1586855), (20, 1269484), (40, 634742), (80, 317371)]