2539168400

素因数分解:

$2^4\times 5^2\times {\mathrm{6347921}}^1$

素因数の和:6347939

約数の個数: 30

約数和(自身を含む): 6100353042

約数和(自身を除く): 3561184642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 6347921, 12695842, 25391684, 31739605, 50783368, 63479210, 101566736, 126958420, 158698025, 253916840, 317396050, 507833680, 634792100, 1269584200, 2539168400]

約数ペア:

[(1, 2539168400), (2, 1269584200), (4, 634792100), (5, 507833680), (8, 317396050), (10, 253916840), (16, 158698025), (20, 126958420), (25, 101566736), (40, 63479210), (50, 50783368), (80, 31739605), (100, 25391684), (200, 12695842), (400, 6347921)]