80456098280

素因数分解:

$2^3\times 5^1\times {\mathrm{1399}}^1\times {\mathrm{1437743}}^1$

素因数の和:1439153

約数の個数: 32

約数和(自身を含む): 181155744000

約数和(自身を除く): 100699645720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1399, 2798, 5596, 6995, 11192, 13990, 27980, 55960, 1437743, 2875486, 5750972, 7188715, 11501944, 14377430, 28754860, 57509720, 2011402457, 4022804914, 8045609828, 10057012285, 16091219656, 20114024570, 40228049140, 80456098280]

約数ペア:

[(1, 80456098280), (2, 40228049140), (4, 20114024570), (5, 16091219656), (8, 10057012285), (10, 8045609828), (20, 4022804914), (40, 2011402457), (1399, 57509720), (2798, 28754860), (5596, 14377430), (6995, 11501944), (11192, 7188715), (13990, 5750972), (27980, 2875486), (55960, 1437743)]