28431950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8009}}^1$

素因数の和:8092

約数の個数: 24

約数和(自身を含む): 53634960

約数和(自身を除く): 25203010

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 8009, 16018, 40045, 80090, 200225, 400450, 568639, 1137278, 2843195, 5686390, 14215975, 28431950]

約数ペア:

[(1, 28431950), (2, 14215975), (5, 5686390), (10, 2843195), (25, 1137278), (50, 568639), (71, 400450), (142, 200225), (355, 80090), (710, 40045), (1775, 16018), (3550, 8009)]