40012390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21397}}^1$

素因数の和:21432

約数の個数: 32

約数和(自身を含む): 83195424

約数和(自身を除く): 43183034

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 21397, 42794, 106985, 213970, 235367, 363749, 470734, 727498, 1176835, 1818745, 2353670, 3637490, 4001239, 8002478, 20006195, 40012390]

約数ペア:

[(1, 40012390), (2, 20006195), (5, 8002478), (10, 4001239), (11, 3637490), (17, 2353670), (22, 1818745), (34, 1176835), (55, 727498), (85, 470734), (110, 363749), (170, 235367), (187, 213970), (374, 106985), (935, 42794), (1870, 21397)]