9122800

素因数分解:

$2^4\times 5^2\times {\mathrm{22807}}^1$

素因数の和:22825

約数の個数: 30

約数和(自身を含む): 21918488

約数和(自身を除く): 12795688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 22807, 45614, 91228, 114035, 182456, 228070, 364912, 456140, 570175, 912280, 1140350, 1824560, 2280700, 4561400, 9122800]

約数ペア:

[(1, 9122800), (2, 4561400), (4, 2280700), (5, 1824560), (8, 1140350), (10, 912280), (16, 570175), (20, 456140), (25, 364912), (40, 228070), (50, 182456), (80, 114035), (100, 91228), (200, 45614), (400, 22807)]