30256220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{13879}}^1$

素因数の和:13997

約数の個数: 24

約数和(自身を含む): 64125600

約数和(自身を除く): 33869380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 13879, 27758, 55516, 69395, 138790, 277580, 1512811, 3025622, 6051244, 7564055, 15128110, 30256220]

約数ペア:

[(1, 30256220), (2, 15128110), (4, 7564055), (5, 6051244), (10, 3025622), (20, 1512811), (109, 277580), (218, 138790), (436, 69395), (545, 55516), (1090, 27758), (2180, 13879)]