30915156920

素因数分解:

$2^3\times 5^1\times {\mathrm{772878923}}^1$

素因数の和:772878934

約数の個数: 16

約数和(自身を含む): 69559103160

約数和(自身を除く): 38643946240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 772878923, 1545757846, 3091515692, 3864394615, 6183031384, 7728789230, 15457578460, 30915156920]

約数ペア:

[(1, 30915156920), (2, 15457578460), (4, 7728789230), (5, 6183031384), (8, 3864394615), (10, 3091515692), (20, 1545757846), (40, 772878923)]