555140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 1195992

約数和(自身を除く): 640852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 677, 820, 1354, 2708, 3385, 6770, 13540, 27757, 55514, 111028, 138785, 277570, 555140]

約数ペア:

[(1, 555140), (2, 277570), (4, 138785), (5, 111028), (10, 55514), (20, 27757), (41, 13540), (82, 6770), (164, 3385), (205, 2708), (410, 1354), (677, 820)]