13478240

素因数分解:

$2^5\times 5^1\times {\mathrm{84239}}^1$

素因数の和:84254

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 18364480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 84239, 168478, 336956, 421195, 673912, 842390, 1347824, 1684780, 2695648, 3369560, 6739120, 13478240]

約数ペア:

[(1, 13478240), (2, 6739120), (4, 3369560), (5, 2695648), (8, 1684780), (10, 1347824), (16, 842390), (20, 673912), (32, 421195), (40, 336956), (80, 168478), (160, 84239)]