7967420

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3041}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 16864848

約数和(自身を除く): 8897428

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 3041, 6082, 12164, 15205, 30410, 60820, 398371, 796742, 1593484, 1991855, 3983710, 7967420]

約数ペア:

[(1, 7967420), (2, 3983710), (4, 1991855), (5, 1593484), (10, 796742), (20, 398371), (131, 60820), (262, 30410), (524, 15205), (655, 12164), (1310, 6082), (2620, 3041)]