208170800

素因数分解:

$2^4\times 5^2\times {\mathrm{520427}}^1$

素因数の和:520445

約数の個数: 30

約数和(自身を含む): 500131308

約数和(自身を除く): 291960508

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 520427, 1040854, 2081708, 2602135, 4163416, 5204270, 8326832, 10408540, 13010675, 20817080, 26021350, 41634160, 52042700, 104085400, 208170800]

約数ペア:

[(1, 208170800), (2, 104085400), (4, 52042700), (5, 41634160), (8, 26021350), (10, 20817080), (16, 13010675), (20, 10408540), (25, 8326832), (40, 5204270), (50, 4163416), (80, 2602135), (100, 2081708), (200, 1040854), (400, 520427)]