266970820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{25621}}^1$

素因数の和:26151

約数の個数: 24

約数和(自身を含む): 561736728

約数和(自身を除く): 294765908

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 25621, 51242, 102484, 128105, 256210, 512420, 13348541, 26697082, 53394164, 66742705, 133485410, 266970820]

約数ペア:

[(1, 266970820), (2, 133485410), (4, 66742705), (5, 53394164), (10, 26697082), (20, 13348541), (521, 512420), (1042, 256210), (2084, 128105), (2605, 102484), (5210, 51242), (10420, 25621)]