2080450160

素因数分解:

$2^4\times 5^1\times {\mathrm{26005627}}^1$

素因数の和:26005640

約数の個数: 20

約数和(自身を含む): 4837046808

約数和(自身を除く): 2756596648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 26005627, 52011254, 104022508, 130028135, 208045016, 260056270, 416090032, 520112540, 1040225080, 2080450160]

約数ペア:

[(1, 2080450160), (2, 1040225080), (4, 520112540), (5, 416090032), (8, 260056270), (10, 208045016), (16, 130028135), (20, 104022508), (40, 52011254), (80, 26005627)]