82721200

素因数分解:

$2^4\times 5^2\times {\mathrm{206803}}^1$

素因数の和:206821

約数の個数: 30

約数和(自身を含む): 198738644

約数和(自身を除く): 116017444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 206803, 413606, 827212, 1034015, 1654424, 2068030, 3308848, 4136060, 5170075, 8272120, 10340150, 16544240, 20680300, 41360600, 82721200]

約数ペア:

[(1, 82721200), (2, 41360600), (4, 20680300), (5, 16544240), (8, 10340150), (10, 8272120), (16, 5170075), (20, 4136060), (25, 3308848), (40, 2068030), (50, 1654424), (80, 1034015), (100, 827212), (200, 413606), (400, 206803)]