56571620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1291}}^1$

素因数の和:1620

約数の個数: 48

約数和(自身を含む): 136311168

約数和(自身を除く): 79739548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1252, 1291, 1565, 2191, 2582, 3130, 4382, 5164, 6260, 6455, 8764, 9037, 10955, 12910, 18074, 21910, 25820, 36148, 43820, 45185, 90370, 180740, 404083, 808166, 1616332, 2020415, 2828581, 4040830, 5657162, 8081660, 11314324, 14142905, 28285810, 56571620]

約数ペア:

[(1, 56571620), (2, 28285810), (4, 14142905), (5, 11314324), (7, 8081660), (10, 5657162), (14, 4040830), (20, 2828581), (28, 2020415), (35, 1616332), (70, 808166), (140, 404083), (313, 180740), (626, 90370), (1252, 45185), (1291, 43820), (1565, 36148), (2191, 25820), (2582, 21910), (3130, 18074), (4382, 12910), (5164, 10955), (6260, 9037), (6455, 8764)]