40855490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10837}}^1$

素因数の和:10886

約数の個数: 32

約数和(自身を含む): 81935280

約数和(自身を除く): 41079790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 10837, 21674, 54185, 108370, 140881, 281762, 314273, 628546, 704405, 1408810, 1571365, 3142730, 4085549, 8171098, 20427745, 40855490]

約数ペア:

[(1, 40855490), (2, 20427745), (5, 8171098), (10, 4085549), (13, 3142730), (26, 1571365), (29, 1408810), (58, 704405), (65, 628546), (130, 314273), (145, 281762), (290, 140881), (377, 108370), (754, 54185), (1885, 21674), (3770, 10837)]