2008980080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1091837}}^1$

素因数の和:1091873

約数の個数: 40

約数和(自身を含む): 4873964832

約数和(自身を除く): 2864984752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 1091837, 2183674, 4367348, 5459185, 8734696, 10918370, 17469392, 21836740, 25112251, 43673480, 50224502, 87346960, 100449004, 125561255, 200898008, 251122510, 401796016, 502245020, 1004490040, 2008980080]

約数ペア:

[(1, 2008980080), (2, 1004490040), (4, 502245020), (5, 401796016), (8, 251122510), (10, 200898008), (16, 125561255), (20, 100449004), (23, 87346960), (40, 50224502), (46, 43673480), (80, 25112251), (92, 21836740), (115, 17469392), (184, 10918370), (230, 8734696), (368, 5459185), (460, 4367348), (920, 2183674), (1840, 1091837)]