28203370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7530

約数の個数: 32

約数和(自身を含む): 56563920

約数和(自身を除く): 28360550

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 7481, 14962, 37405, 74810, 97253, 194506, 216949, 433898, 486265, 972530, 1084745, 2169490, 2820337, 5640674, 14101685, 28203370]

約数ペア:

[(1, 28203370), (2, 14101685), (5, 5640674), (10, 2820337), (13, 2169490), (26, 1084745), (29, 972530), (58, 486265), (65, 433898), (130, 216949), (145, 194506), (290, 97253), (377, 74810), (754, 37405), (1885, 14962), (3770, 7481)]