40070960

素因数分解:

$2^4\times 5^1\times {\mathrm{500887}}^1$

素因数の和:500900

約数の個数: 20

約数和(自身を含む): 93165168

約数和(自身を除く): 53094208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 500887, 1001774, 2003548, 2504435, 4007096, 5008870, 8014192, 10017740, 20035480, 40070960]

約数ペア:

[(1, 40070960), (2, 20035480), (4, 10017740), (5, 8014192), (8, 5008870), (10, 4007096), (16, 2504435), (20, 2003548), (40, 1001774), (80, 500887)]