161165240

素因数分解:

$2^3\times 5^1\times {\mathrm{4029131}}^1$

素因数の和:4029142

約数の個数: 16

約数和(自身を含む): 362621880

約数和(自身を除く): 201456640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4029131, 8058262, 16116524, 20145655, 32233048, 40291310, 80582620, 161165240]

約数ペア:

[(1, 161165240), (2, 80582620), (4, 40291310), (5, 32233048), (8, 20145655), (10, 16116524), (20, 8058262), (40, 4029131)]