15987880

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2647}}^1$

素因数の和:2809

約数の個数: 32

約数和(自身を含む): 36224640

約数和(自身を除く): 20236760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 2647, 3020, 5294, 6040, 10588, 13235, 21176, 26470, 52940, 105880, 399697, 799394, 1598788, 1998485, 3197576, 3996970, 7993940, 15987880]

約数ペア:

[(1, 15987880), (2, 7993940), (4, 3996970), (5, 3197576), (8, 1998485), (10, 1598788), (20, 799394), (40, 399697), (151, 105880), (302, 52940), (604, 26470), (755, 21176), (1208, 13235), (1510, 10588), (2647, 6040), (3020, 5294)]