40644400

素因数分解:

$2^4\times 5^2\times {\mathrm{101611}}^1$

素因数の和:101629

約数の個数: 30

約数和(自身を含む): 97649132

約数和(自身を除く): 57004732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 101611, 203222, 406444, 508055, 812888, 1016110, 1625776, 2032220, 2540275, 4064440, 5080550, 8128880, 10161100, 20322200, 40644400]

約数ペア:

[(1, 40644400), (2, 20322200), (4, 10161100), (5, 8128880), (8, 5080550), (10, 4064440), (16, 2540275), (20, 2032220), (25, 1625776), (40, 1016110), (50, 812888), (80, 508055), (100, 406444), (200, 203222), (400, 101611)]