1135780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 2411640

約数和(自身を除く): 1275860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 521, 545, 1042, 1090, 2084, 2180, 2605, 5210, 10420, 56789, 113578, 227156, 283945, 567890, 1135780]

約数ペア:

[(1, 1135780), (2, 567890), (4, 283945), (5, 227156), (10, 113578), (20, 56789), (109, 10420), (218, 5210), (436, 2605), (521, 2180), (545, 2084), (1042, 1090)]