221083580

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{24953}}^1$

素因数の和:25405

約数の個数: 24

約数和(自身を含む): 465342192

約数和(自身を除く): 244258612

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 24953, 49906, 99812, 124765, 249530, 499060, 11054179, 22108358, 44216716, 55270895, 110541790, 221083580]

約数ペア:

[(1, 221083580), (2, 110541790), (4, 55270895), (5, 44216716), (10, 22108358), (20, 11054179), (443, 499060), (886, 249530), (1772, 124765), (2215, 99812), (4430, 49906), (8860, 24953)]