72321290

素因数分解:

$2^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{8209}}^1$

素因数の和:9097

約数の個数: 16

約数和(自身を含む): 130341960

約数和(自身を除く): 58020670

約数列:

[1, 2, 5, 10, 881, 1762, 4405, 8209, 8810, 16418, 41045, 82090, 7232129, 14464258, 36160645, 72321290]

約数ペア:

[(1, 72321290), (2, 36160645), (5, 14464258), (10, 7232129), (881, 82090), (1762, 41045), (4405, 16418), (8209, 8810)]