2220560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:731

約数の個数: 40

約数和(自身を含む): 5296536

約数和(自身を除く): 3075976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 677, 820, 1354, 1640, 2708, 3280, 3385, 5416, 6770, 10832, 13540, 27080, 27757, 54160, 55514, 111028, 138785, 222056, 277570, 444112, 555140, 1110280, 2220560]

約数ペア:

[(1, 2220560), (2, 1110280), (4, 555140), (5, 444112), (8, 277570), (10, 222056), (16, 138785), (20, 111028), (40, 55514), (41, 54160), (80, 27757), (82, 27080), (164, 13540), (205, 10832), (328, 6770), (410, 5416), (656, 3385), (677, 3280), (820, 2708), (1354, 1640)]