13344880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5381}}^1$

素因数の和:5425

約数の個数: 40

約数和(自身を含む): 32033664

約数和(自身を除く): 18688784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5381, 10762, 21524, 26905, 43048, 53810, 86096, 107620, 166811, 215240, 333622, 430480, 667244, 834055, 1334488, 1668110, 2668976, 3336220, 6672440, 13344880]

約数ペア:

[(1, 13344880), (2, 6672440), (4, 3336220), (5, 2668976), (8, 1668110), (10, 1334488), (16, 834055), (20, 667244), (31, 430480), (40, 333622), (62, 215240), (80, 166811), (124, 107620), (155, 86096), (248, 53810), (310, 43048), (496, 26905), (620, 21524), (1240, 10762), (2480, 5381)]