265483780

素因数分解:

$2^2\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{9421}}^1$

素因数の和:10839

約数の個数: 24

約数和(自身を含む): 557970840

約数和(自身を除く): 292487060

約数列:

[1, 2, 4, 5, 10, 20, 1409, 2818, 5636, 7045, 9421, 14090, 18842, 28180, 37684, 47105, 94210, 188420, 13274189, 26548378, 53096756, 66370945, 132741890, 265483780]

約数ペア:

[(1, 265483780), (2, 132741890), (4, 66370945), (5, 53096756), (10, 26548378), (20, 13274189), (1409, 188420), (2818, 94210), (5636, 47105), (7045, 37684), (9421, 28180), (14090, 18842)]