1320221740

素因数分解:

$2^2\times 5^1\times {\mathrm{5021}}^1\times {\mathrm{13147}}^1$

素因数の和:18177

約数の個数: 24

約数和(自身を含む): 2773228752

約数和(自身を除く): 1453007012

約数列:

[1, 2, 4, 5, 10, 20, 5021, 10042, 13147, 20084, 25105, 26294, 50210, 52588, 65735, 100420, 131470, 262940, 66011087, 132022174, 264044348, 330055435, 660110870, 1320221740]

約数ペア:

[(1, 1320221740), (2, 660110870), (4, 330055435), (5, 264044348), (10, 132022174), (20, 66011087), (5021, 262940), (10042, 131470), (13147, 100420), (20084, 65735), (25105, 52588), (26294, 50210)]