102002800

素因数分解:

$2^4\times 5^2\times {\mathrm{255007}}^1$

素因数の和:255025

約数の個数: 30

約数和(自身を含む): 245062688

約数和(自身を除く): 143059888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 255007, 510014, 1020028, 1275035, 2040056, 2550070, 4080112, 5100140, 6375175, 10200280, 12750350, 20400560, 25500700, 51001400, 102002800]

約数ペア:

[(1, 102002800), (2, 51001400), (4, 25500700), (5, 20400560), (8, 12750350), (10, 10200280), (16, 6375175), (20, 5100140), (25, 4080112), (40, 2550070), (50, 2040056), (80, 1275035), (100, 1020028), (200, 510014), (400, 255007)]