201670960

素因数分解:

$2^4\times 5^1\times {\mathrm{2520887}}^1$

素因数の和:2520900

約数の個数: 20

約数和(自身を含む): 468885168

約数和(自身を除く): 267214208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520887, 5041774, 10083548, 12604435, 20167096, 25208870, 40334192, 50417740, 100835480, 201670960]

約数ペア:

[(1, 201670960), (2, 100835480), (4, 50417740), (5, 40334192), (8, 25208870), (10, 20167096), (16, 12604435), (20, 10083548), (40, 5041774), (80, 2520887)]