30681520

素因数分解:

$2^4\times 5^1\times {\mathrm{383519}}^1$

素因数の和:383532

約数の個数: 20

約数和(自身を含む): 71334720

約数和(自身を除く): 40653200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383519, 767038, 1534076, 1917595, 3068152, 3835190, 6136304, 7670380, 15340760, 30681520]

約数ペア:

[(1, 30681520), (2, 15340760), (4, 7670380), (5, 6136304), (8, 3835190), (10, 3068152), (16, 1917595), (20, 1534076), (40, 767038), (80, 383519)]