13437880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10837}}^1$

素因数の和:10879

約数の個数: 32

約数和(自身を含む): 31213440

約数和(自身を除く): 17775560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10837, 21674, 43348, 54185, 86696, 108370, 216740, 335947, 433480, 671894, 1343788, 1679735, 2687576, 3359470, 6718940, 13437880]

約数ペア:

[(1, 13437880), (2, 6718940), (4, 3359470), (5, 2687576), (8, 1679735), (10, 1343788), (20, 671894), (31, 433480), (40, 335947), (62, 216740), (124, 108370), (155, 86696), (248, 54185), (310, 43348), (620, 21674), (1240, 10837)]