2648898040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{66959}}^1$

素因数の和:67036

約数の個数: 64

約数和(自身を含む): 6363878400

約数和(自身を除く): 3714980360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 39560, 66959, 133918, 267836, 334795, 535672, 669590, 1339180, 1540057, 2678360, 2879237, 3080114, 5758474, 6160228, 7700285, 11516948, 12320456, 14396185, 15400570, 23033896, 28792370, 30801140, 57584740, 61602280, 66222451, 115169480, 132444902, 264889804, 331112255, 529779608, 662224510, 1324449020, 2648898040]

約数ペア:

[(1, 2648898040), (2, 1324449020), (4, 662224510), (5, 529779608), (8, 331112255), (10, 264889804), (20, 132444902), (23, 115169480), (40, 66222451), (43, 61602280), (46, 57584740), (86, 30801140), (92, 28792370), (115, 23033896), (172, 15400570), (184, 14396185), (215, 12320456), (230, 11516948), (344, 7700285), (430, 6160228), (460, 5758474), (860, 3080114), (920, 2879237), (989, 2678360), (1720, 1540057), (1978, 1339180), (3956, 669590), (4945, 535672), (7912, 334795), (9890, 267836), (19780, 133918), (39560, 66959)]