7973740

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{947}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 16802352

約数和(自身を除く): 8828612

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 947, 1684, 1894, 2105, 3788, 4210, 4735, 8420, 9470, 18940, 398687, 797374, 1594748, 1993435, 3986870, 7973740]

約数ペア:

[(1, 7973740), (2, 3986870), (4, 1993435), (5, 1594748), (10, 797374), (20, 398687), (421, 18940), (842, 9470), (947, 8420), (1684, 4735), (1894, 4210), (2105, 3788)]