51598420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{23669}}^1$

素因数の和:23787

約数の個数: 24

約数和(自身を含む): 109355400

約数和(自身を除く): 57756980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 23669, 47338, 94676, 118345, 236690, 473380, 2579921, 5159842, 10319684, 12899605, 25799210, 51598420]

約数ペア:

[(1, 51598420), (2, 25799210), (4, 12899605), (5, 10319684), (10, 5159842), (20, 2579921), (109, 473380), (218, 236690), (436, 118345), (545, 94676), (1090, 47338), (2180, 23669)]