139875280

素因数分解:

$2^4\times 5^1\times {\mathrm{1748441}}^1$

素因数の和:1748454

約数の個数: 20

約数和(自身を含む): 325210212

約数和(自身を除く): 185334932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1748441, 3496882, 6993764, 8742205, 13987528, 17484410, 27975056, 34968820, 69937640, 139875280]

約数ペア:

[(1, 139875280), (2, 69937640), (4, 34968820), (5, 27975056), (8, 17484410), (10, 13987528), (16, 8742205), (20, 6993764), (40, 3496882), (80, 1748441)]