51322460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{12641}}^1$

素因数の和:12686

約数の個数: 48

約数和(自身を含む): 127431360

約数和(自身を除く): 76108900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 12641, 25282, 50564, 63205, 88487, 126410, 176974, 252820, 353948, 366589, 442435, 733178, 884870, 1466356, 1769740, 1832945, 2566123, 3665890, 5132246, 7331780, 10264492, 12830615, 25661230, 51322460]

約数ペア:

[(1, 51322460), (2, 25661230), (4, 12830615), (5, 10264492), (7, 7331780), (10, 5132246), (14, 3665890), (20, 2566123), (28, 1832945), (29, 1769740), (35, 1466356), (58, 884870), (70, 733178), (116, 442435), (140, 366589), (145, 353948), (203, 252820), (290, 176974), (406, 126410), (580, 88487), (812, 63205), (1015, 50564), (2030, 25282), (4060, 12641)]