40731760

素因数分解:

$2^4\times 5^1\times {\mathrm{509147}}^1$

素因数の和:509160

約数の個数: 20

約数和(自身を含む): 94701528

約数和(自身を除く): 53969768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509147, 1018294, 2036588, 2545735, 4073176, 5091470, 8146352, 10182940, 20365880, 40731760]

約数ペア:

[(1, 40731760), (2, 20365880), (4, 10182940), (5, 8146352), (8, 5091470), (10, 4073176), (16, 2545735), (20, 2036588), (40, 1018294), (80, 509147)]