55285220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67421}}^1$

素因数の和:67471

約数の個数: 24

約数和(自身を含む): 118932408

約数和(自身を除く): 63647188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 67421, 134842, 269684, 337105, 674210, 1348420, 2764261, 5528522, 11057044, 13821305, 27642610, 55285220]

約数ペア:

[(1, 55285220), (2, 27642610), (4, 13821305), (5, 11057044), (10, 5528522), (20, 2764261), (41, 1348420), (82, 674210), (164, 337105), (205, 269684), (410, 134842), (820, 67421)]