85688360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{52249}}^1$

素因数の和:52301

約数の個数: 32

約数和(自身を含む): 197505000

約数和(自身を除く): 111816640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 52249, 104498, 208996, 261245, 417992, 522490, 1044980, 2089960, 2142209, 4284418, 8568836, 10711045, 17137672, 21422090, 42844180, 85688360]

約数ペア:

[(1, 85688360), (2, 42844180), (4, 21422090), (5, 17137672), (8, 10711045), (10, 8568836), (20, 4284418), (40, 2142209), (41, 2089960), (82, 1044980), (164, 522490), (205, 417992), (328, 261245), (410, 208996), (820, 104498), (1640, 52249)]