3969238960

素因数分解:

$2^4\times 5^1\times {\mathrm{49615487}}^1$

素因数の和:49615500

約数の個数: 20

約数和(自身を含む): 9228480768

約数和(自身を除く): 5259241808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49615487, 99230974, 198461948, 248077435, 396923896, 496154870, 793847792, 992309740, 1984619480, 3969238960]

約数ペア:

[(1, 3969238960), (2, 1984619480), (4, 992309740), (5, 793847792), (8, 496154870), (10, 396923896), (16, 248077435), (20, 198461948), (40, 99230974), (80, 49615487)]