8405740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60041}}^1$

素因数の和:60057

約数の個数: 24

約数和(自身を含む): 20174112

約数和(自身を除く): 11768372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60041, 120082, 240164, 300205, 420287, 600410, 840574, 1200820, 1681148, 2101435, 4202870, 8405740]

約数ペア:

[(1, 8405740), (2, 4202870), (4, 2101435), (5, 1681148), (7, 1200820), (10, 840574), (14, 600410), (20, 420287), (28, 300205), (35, 240164), (70, 120082), (140, 60041)]