40582180

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{28579}}^1$

素因数の和:28659

約数の個数: 24

約数和(自身を含む): 86425920

約数和(自身を除く): 45843740

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 28579, 57158, 114316, 142895, 285790, 571580, 2029109, 4058218, 8116436, 10145545, 20291090, 40582180]

約数ペア:

[(1, 40582180), (2, 20291090), (4, 10145545), (5, 8116436), (10, 4058218), (20, 2029109), (71, 571580), (142, 285790), (284, 142895), (355, 114316), (710, 57158), (1420, 28579)]