87332680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21617}}^1$

素因数の和:21729

約数の個数: 32

約数和(自身を含む): 198453240

約数和(自身を除く): 111120560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21617, 43234, 86468, 108085, 172936, 216170, 432340, 864680, 2183317, 4366634, 8733268, 10916585, 17466536, 21833170, 43666340, 87332680]

約数ペア:

[(1, 87332680), (2, 43666340), (4, 21833170), (5, 17466536), (8, 10916585), (10, 8733268), (20, 4366634), (40, 2183317), (101, 864680), (202, 432340), (404, 216170), (505, 172936), (808, 108085), (1010, 86468), (2020, 43234), (4040, 21617)]