51590890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20887}}^1$

素因数の和:20926

約数の個数: 32

約数和(自身を含む): 105275520

約数和(自身を除く): 53684630

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 20887, 41774, 104435, 208870, 271531, 396853, 543062, 793706, 1357655, 1984265, 2715310, 3968530, 5159089, 10318178, 25795445, 51590890]

約数ペア:

[(1, 51590890), (2, 25795445), (5, 10318178), (10, 5159089), (13, 3968530), (19, 2715310), (26, 1984265), (38, 1357655), (65, 793706), (95, 543062), (130, 396853), (190, 271531), (247, 208870), (494, 104435), (1235, 41774), (2470, 20887)]