81205450

素因数分解:

$2^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{7283}}^1$

素因数の和:7518

約数の個数: 24

約数和(自身を含む): 151740288

約数和(自身を除く): 70534838

約数列:

[1, 2, 5, 10, 25, 50, 223, 446, 1115, 2230, 5575, 7283, 11150, 14566, 36415, 72830, 182075, 364150, 1624109, 3248218, 8120545, 16241090, 40602725, 81205450]

約数ペア:

[(1, 81205450), (2, 40602725), (5, 16241090), (10, 8120545), (25, 3248218), (50, 1624109), (223, 364150), (446, 182075), (1115, 72830), (2230, 36415), (5575, 14566), (7283, 11150)]