1247925040

素因数分解:

$2^4\times 5^1\times {\mathrm{15599063}}^1$

素因数の和:15599076

約数の個数: 20

約数和(自身を含む): 2901425904

約数和(自身を除く): 1653500864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 15599063, 31198126, 62396252, 77995315, 124792504, 155990630, 249585008, 311981260, 623962520, 1247925040]

約数ペア:

[(1, 1247925040), (2, 623962520), (4, 311981260), (5, 249585008), (8, 155990630), (10, 124792504), (16, 77995315), (20, 62396252), (40, 31198126), (80, 15599063)]