40265390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{941}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 79354080

約数和(自身を除く): 39088690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 941, 1882, 1945, 3890, 4279, 4705, 8558, 9410, 10351, 20702, 21395, 42790, 51755, 103510, 366049, 732098, 1830245, 3660490, 4026539, 8053078, 20132695, 40265390]

約数ペア:

[(1, 40265390), (2, 20132695), (5, 8053078), (10, 4026539), (11, 3660490), (22, 1830245), (55, 732098), (110, 366049), (389, 103510), (778, 51755), (941, 42790), (1882, 21395), (1945, 20702), (3890, 10351), (4279, 9410), (4705, 8558)]