200909120

素因数分解:

$2^6\times 5^1\times {\mathrm{627841}}^1$

素因数の和:627858

約数の個数: 28

約数和(自身を含む): 478415604

約数和(自身を除く): 277506484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 627841, 1255682, 2511364, 3139205, 5022728, 6278410, 10045456, 12556820, 20090912, 25113640, 40181824, 50227280, 100454560, 200909120]

約数ペア:

[(1, 200909120), (2, 100454560), (4, 50227280), (5, 40181824), (8, 25113640), (10, 20090912), (16, 12556820), (20, 10045456), (32, 6278410), (40, 5022728), (64, 3139205), (80, 2511364), (160, 1255682), (320, 627841)]