80268400

素因数分解:

$2^4\times 5^2\times {\mathrm{200671}}^1$

素因数の和:200689

約数の個数: 30

約数和(自身を含む): 192845792

約数和(自身を除く): 112577392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 200671, 401342, 802684, 1003355, 1605368, 2006710, 3210736, 4013420, 5016775, 8026840, 10033550, 16053680, 20067100, 40134200, 80268400]

約数ペア:

[(1, 80268400), (2, 40134200), (4, 20067100), (5, 16053680), (8, 10033550), (10, 8026840), (16, 5016775), (20, 4013420), (25, 3210736), (40, 2006710), (50, 1605368), (80, 1003355), (100, 802684), (200, 401342), (400, 200671)]