1248124720

素因数分解:

$2^4\times 5^1\times {\mathrm{15601559}}^1$

素因数の和:15601572

約数の個数: 20

約数和(自身を含む): 2901890160

約数和(自身を除く): 1653765440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15601559, 31203118, 62406236, 78007795, 124812472, 156015590, 249624944, 312031180, 624062360, 1248124720]

約数ペア:

[(1, 1248124720), (2, 624062360), (4, 312031180), (5, 249624944), (8, 156015590), (10, 124812472), (16, 78007795), (20, 62406236), (40, 31203118), (80, 15601559)]