82504720

素因数分解:

$2^4\times 5^1\times {\mathrm{1031309}}^1$

素因数の和:1031322

約数の個数: 20

約数和(自身を含む): 191823660

約数和(自身を除く): 109318940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1031309, 2062618, 4125236, 5156545, 8250472, 10313090, 16500944, 20626180, 41252360, 82504720]

約数ペア:

[(1, 82504720), (2, 41252360), (4, 20626180), (5, 16500944), (8, 10313090), (10, 8250472), (16, 5156545), (20, 4125236), (40, 2062618), (80, 1031309)]