15663715280

素因数分解:

$2^4\times 5^1\times {\mathrm{195796441}}^1$

素因数の和:195796454

約数の個数: 20

約数和(自身を含む): 36418138212

約数和(自身を除く): 20754422932

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195796441, 391592882, 783185764, 978982205, 1566371528, 1957964410, 3132743056, 3915928820, 7831857640, 15663715280]

約数ペア:

[(1, 15663715280), (2, 7831857640), (4, 3915928820), (5, 3132743056), (8, 1957964410), (10, 1566371528), (16, 978982205), (20, 783185764), (40, 391592882), (80, 195796441)]