201640640

素因数分解:

$2^6\times 5^1\times {\mathrm{630127}}^1$

素因数の和:630144

約数の個数: 28

約数和(自身を含む): 480157536

約数和(自身を除く): 278516896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 630127, 1260254, 2520508, 3150635, 5041016, 6301270, 10082032, 12602540, 20164064, 25205080, 40328128, 50410160, 100820320, 201640640]

約数ペア:

[(1, 201640640), (2, 100820320), (4, 50410160), (5, 40328128), (8, 25205080), (10, 20164064), (16, 12602540), (20, 10082032), (32, 6301270), (40, 5041016), (64, 3150635), (80, 2520508), (160, 1260254), (320, 630127)]