64946660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{111977}}^1$

素因数の和:112015

約数の個数: 24

約数和(自身を含む): 141092280

約数和(自身を除く): 76145620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 111977, 223954, 447908, 559885, 1119770, 2239540, 3247333, 6494666, 12989332, 16236665, 32473330, 64946660]

約数ペア:

[(1, 64946660), (2, 32473330), (4, 16236665), (5, 12989332), (10, 6494666), (20, 3247333), (29, 2239540), (58, 1119770), (116, 559885), (145, 447908), (290, 223954), (580, 111977)]