61151180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{28051}}^1$

素因数の和:28169

約数の個数: 24

約数和(自身を含む): 129600240

約数和(自身を除く): 68449060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 28051, 56102, 112204, 140255, 280510, 561020, 3057559, 6115118, 12230236, 15287795, 30575590, 61151180]

約数ペア:

[(1, 61151180), (2, 30575590), (4, 15287795), (5, 12230236), (10, 6115118), (20, 3057559), (109, 561020), (218, 280510), (436, 140255), (545, 112204), (1090, 56102), (2180, 28051)]