13478380

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1931}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 28400400

約数和(自身を除く): 14922020

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 1931, 3490, 3862, 6980, 7724, 9655, 19310, 38620, 673919, 1347838, 2695676, 3369595, 6739190, 13478380]

約数ペア:

[(1, 13478380), (2, 6739190), (4, 3369595), (5, 2695676), (10, 1347838), (20, 673919), (349, 38620), (698, 19310), (1396, 9655), (1745, 7724), (1931, 6980), (3490, 3862)]