253490560

素因数分解:

$2^7\times 5^1\times {\mathrm{396079}}^1$

素因数の和:396098

約数の個数: 32

約数和(自身を含む): 606002400

約数和(自身を除く): 352511840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 396079, 792158, 1584316, 1980395, 3168632, 3960790, 6337264, 7921580, 12674528, 15843160, 25349056, 31686320, 50698112, 63372640, 126745280, 253490560]

約数ペア:

[(1, 253490560), (2, 126745280), (4, 63372640), (5, 50698112), (8, 31686320), (10, 25349056), (16, 15843160), (20, 12674528), (32, 7921580), (40, 6337264), (64, 3960790), (80, 3168632), (128, 1980395), (160, 1584316), (320, 792158), (640, 396079)]