16790440

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3923}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 38141280

約数和(自身を除く): 21350840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3923, 4280, 7846, 15692, 19615, 31384, 39230, 78460, 156920, 419761, 839522, 1679044, 2098805, 3358088, 4197610, 8395220, 16790440]

約数ペア:

[(1, 16790440), (2, 8395220), (4, 4197610), (5, 3358088), (8, 2098805), (10, 1679044), (20, 839522), (40, 419761), (107, 156920), (214, 78460), (428, 39230), (535, 31384), (856, 19615), (1070, 15692), (2140, 7846), (3923, 4280)]