8028400

素因数分解:

$2^4\times 5^2\times {\mathrm{20071}}^1$

素因数の和:20089

約数の個数: 30

約数和(自身を含む): 19289192

約数和(自身を除く): 11260792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 20071, 40142, 80284, 100355, 160568, 200710, 321136, 401420, 501775, 802840, 1003550, 1605680, 2007100, 4014200, 8028400]

約数ペア:

[(1, 8028400), (2, 4014200), (4, 2007100), (5, 1605680), (8, 1003550), (10, 802840), (16, 501775), (20, 401420), (25, 321136), (40, 200710), (50, 160568), (80, 100355), (100, 80284), (200, 40142), (400, 20071)]