259922840

素因数分解:

$2^3\times 5^1\times {\mathrm{6498071}}^1$

素因数の和:6498082

約数の個数: 16

約数和(自身を含む): 584826480

約数和(自身を除く): 324903640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6498071, 12996142, 25992284, 32490355, 51984568, 64980710, 129961420, 259922840]

約数ペア:

[(1, 259922840), (2, 129961420), (4, 64980710), (5, 51984568), (8, 32490355), (10, 25992284), (20, 12996142), (40, 6498071)]