8368400

素因数分解:

$2^4\times 5^2\times {\mathrm{20921}}^1$

素因数の和:20939

約数の個数: 30

約数和(自身を含む): 20106042

約数和(自身を除く): 11737642

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20921, 41842, 83684, 104605, 167368, 209210, 334736, 418420, 523025, 836840, 1046050, 1673680, 2092100, 4184200, 8368400]

約数ペア:

[(1, 8368400), (2, 4184200), (4, 2092100), (5, 1673680), (8, 1046050), (10, 836840), (16, 523025), (20, 418420), (25, 334736), (40, 209210), (50, 167368), (80, 104605), (100, 83684), (200, 41842), (400, 20921)]