266645920

素因数分解:

$2^5\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1303}}^1$

素因数の和:2597

約数の個数: 48

約数和(自身を含む): 630927360

約数和(自身を除く): 364281440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1279, 1303, 2558, 2606, 5116, 5212, 6395, 6515, 10232, 10424, 12790, 13030, 20464, 20848, 25580, 26060, 40928, 41696, 51160, 52120, 102320, 104240, 204640, 208480, 1666537, 3333074, 6666148, 8332685, 13332296, 16665370, 26664592, 33330740, 53329184, 66661480, 133322960, 266645920]

約数ペア:

[(1, 266645920), (2, 133322960), (4, 66661480), (5, 53329184), (8, 33330740), (10, 26664592), (16, 16665370), (20, 13332296), (32, 8332685), (40, 6666148), (80, 3333074), (160, 1666537), (1279, 208480), (1303, 204640), (2558, 104240), (2606, 102320), (5116, 52120), (5212, 51160), (6395, 41696), (6515, 40928), (10232, 26060), (10424, 25580), (12790, 20848), (13030, 20464)]