85669420

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12941}}^1$

素因数の和:13281

約数の個数: 24

約数和(自身を含む): 180463248

約数和(自身を除く): 94793828

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 12941, 25882, 51764, 64705, 129410, 258820, 4283471, 8566942, 17133884, 21417355, 42834710, 85669420]

約数ペア:

[(1, 85669420), (2, 42834710), (4, 21417355), (5, 17133884), (10, 8566942), (20, 4283471), (331, 258820), (662, 129410), (1324, 64705), (1655, 51764), (3310, 25882), (6620, 12941)]