40070780

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4759}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 84366240

約数和(自身を除く): 44295460

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 4759, 8420, 9518, 19036, 23795, 47590, 95180, 2003539, 4007078, 8014156, 10017695, 20035390, 40070780]

約数ペア:

[(1, 40070780), (2, 20035390), (4, 10017695), (5, 8014156), (10, 4007078), (20, 2003539), (421, 95180), (842, 47590), (1684, 23795), (2105, 19036), (4210, 9518), (4759, 8420)]