40057490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 83607552

約数和(自身を除く): 43550062

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 223, 230, 253, 355, 446, 506, 710, 781, 1115, 1265, 1562, 1633, 2230, 2453, 2530, 3266, 3905, 4906, 5129, 7810, 8165, 10258, 12265, 15833, 16330, 17963, 24530, 25645, 31666, 35926, 51290, 56419, 79165, 89815, 112838, 158330, 174163, 179630, 282095, 348326, 364159, 564190, 728318, 870815, 1741630, 1820795, 3641590, 4005749, 8011498, 20028745, 40057490]

約数ペア:

[(1, 40057490), (2, 20028745), (5, 8011498), (10, 4005749), (11, 3641590), (22, 1820795), (23, 1741630), (46, 870815), (55, 728318), (71, 564190), (110, 364159), (115, 348326), (142, 282095), (223, 179630), (230, 174163), (253, 158330), (355, 112838), (446, 89815), (506, 79165), (710, 56419), (781, 51290), (1115, 35926), (1265, 31666), (1562, 25645), (1633, 24530), (2230, 17963), (2453, 16330), (2530, 15833), (3266, 12265), (3905, 10258), (4906, 8165), (5129, 7810)]