56826980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5717}}^1$

素因数の和:5804

約数の個数: 48

約数和(自身を含む): 138329856

約数和(自身を除く): 81502876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5717, 9940, 11434, 22868, 28585, 40019, 57170, 80038, 114340, 160076, 200095, 400190, 405907, 800380, 811814, 1623628, 2029535, 2841349, 4059070, 5682698, 8118140, 11365396, 14206745, 28413490, 56826980]

約数ペア:

[(1, 56826980), (2, 28413490), (4, 14206745), (5, 11365396), (7, 8118140), (10, 5682698), (14, 4059070), (20, 2841349), (28, 2029535), (35, 1623628), (70, 811814), (71, 800380), (140, 405907), (142, 400190), (284, 200095), (355, 160076), (497, 114340), (710, 80038), (994, 57170), (1420, 40019), (1988, 28585), (2485, 22868), (4970, 11434), (5717, 9940)]