90186470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19997}}^1$

素因数の和:20056

約数の個数: 32

約数和(自身を含む): 181421856

約数和(自身を除く): 91235386

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 19997, 39994, 99985, 199970, 219967, 439934, 819877, 1099835, 1639754, 2199670, 4099385, 8198770, 9018647, 18037294, 45093235, 90186470]

約数ペア:

[(1, 90186470), (2, 45093235), (5, 18037294), (10, 9018647), (11, 8198770), (22, 4099385), (41, 2199670), (55, 1639754), (82, 1099835), (110, 819877), (205, 439934), (410, 219967), (451, 199970), (902, 99985), (2255, 39994), (4510, 19997)]