201720961840

素因数分解:

$2^4\times 5^1\times {\mathrm{2521512023}}^1$

素因数の和:2521512036

約数の個数: 20

約数和(自身を含む): 469001236464

約数和(自身を除く): 267280274624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2521512023, 5043024046, 10086048092, 12607560115, 20172096184, 25215120230, 40344192368, 50430240460, 100860480920, 201720961840]

約数ペア:

[(1, 201720961840), (2, 100860480920), (4, 50430240460), (5, 40344192368), (8, 25215120230), (10, 20172096184), (16, 12607560115), (20, 10086048092), (40, 5043024046), (80, 2521512023)]