405738260

素因数分解:

$2^2\times 5^1\times {\mathrm{2113}}^1\times {\mathrm{9601}}^1$

素因数の和:11723

約数の個数: 24

約数和(自身を含む): 852542376

約数和(自身を除く): 446804116

約数列:

[1, 2, 4, 5, 10, 20, 2113, 4226, 8452, 9601, 10565, 19202, 21130, 38404, 42260, 48005, 96010, 192020, 20286913, 40573826, 81147652, 101434565, 202869130, 405738260]

約数ペア:

[(1, 405738260), (2, 202869130), (4, 101434565), (5, 81147652), (10, 40573826), (20, 20286913), (2113, 192020), (4226, 96010), (8452, 48005), (9601, 42260), (10565, 38404), (19202, 21130)]