401035160

素因数分解:

$2^3\times 5^1\times {\mathrm{10025879}}^1$

素因数の和:10025890

約数の個数: 16

約数和(自身を含む): 902329200

約数和(自身を除く): 501294040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10025879, 20051758, 40103516, 50129395, 80207032, 100258790, 200517580, 401035160]

約数ペア:

[(1, 401035160), (2, 200517580), (4, 100258790), (5, 80207032), (8, 50129395), (10, 40103516), (20, 20051758), (40, 10025879)]