800084660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{22691}}^1$

素因数の和:22784

約数の個数: 48

約数和(自身を含む): 1761262272

約数和(自身を除く): 961177612

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 22691, 35260, 45382, 90764, 113455, 226910, 453820, 930331, 975713, 1860662, 1951426, 3721324, 3902852, 4651655, 4878565, 9303310, 9757130, 18606620, 19514260, 40004233, 80008466, 160016932, 200021165, 400042330, 800084660]

約数ペア:

[(1, 800084660), (2, 400042330), (4, 200021165), (5, 160016932), (10, 80008466), (20, 40004233), (41, 19514260), (43, 18606620), (82, 9757130), (86, 9303310), (164, 4878565), (172, 4651655), (205, 3902852), (215, 3721324), (410, 1951426), (430, 1860662), (820, 975713), (860, 930331), (1763, 453820), (3526, 226910), (7052, 113455), (8815, 90764), (17630, 45382), (22691, 35260)]