538420180

素因数分解:

$2^2\times 5^1\times {\mathrm{2671}}^1\times {\mathrm{10079}}^1$

素因数の和:12759

約数の個数: 24

約数和(自身を含む): 1131217920

約数和(自身を除く): 592797740

約数列:

[1, 2, 4, 5, 10, 20, 2671, 5342, 10079, 10684, 13355, 20158, 26710, 40316, 50395, 53420, 100790, 201580, 26921009, 53842018, 107684036, 134605045, 269210090, 538420180]

約数ペア:

[(1, 538420180), (2, 269210090), (4, 134605045), (5, 107684036), (10, 53842018), (20, 26921009), (2671, 201580), (5342, 100790), (10079, 53420), (10684, 50395), (13355, 40316), (20158, 26710)]