1230777640

素因数分解:

$2^3\times 5^1\times {\mathrm{30769441}}^1$

素因数の和:30769452

約数の個数: 16

約数和(自身を含む): 2769249780

約数和(自身を除く): 1538472140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30769441, 61538882, 123077764, 153847205, 246155528, 307694410, 615388820, 1230777640]

約数ペア:

[(1, 1230777640), (2, 615388820), (4, 307694410), (5, 246155528), (8, 153847205), (10, 123077764), (20, 61538882), (40, 30769441)]