82864280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{50527}}^1$

素因数の和:50579

約数の個数: 32

約数和(自身を含む): 190995840

約数和(自身を除く): 108131560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 50527, 101054, 202108, 252635, 404216, 505270, 1010540, 2021080, 2071607, 4143214, 8286428, 10358035, 16572856, 20716070, 41432140, 82864280]

約数ペア:

[(1, 82864280), (2, 41432140), (4, 20716070), (5, 16572856), (8, 10358035), (10, 8286428), (20, 4143214), (40, 2071607), (41, 2021080), (82, 1010540), (164, 505270), (205, 404216), (328, 252635), (410, 202108), (820, 101054), (1640, 50527)]