1868565520

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{27191}}^1$

素因数の和:28063

約数の個数: 40

約数和(自身を含む): 4349632320

約数和(自身を除く): 2481066800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 1718, 3436, 4295, 6872, 8590, 13744, 17180, 27191, 34360, 54382, 68720, 108764, 135955, 217528, 271910, 435056, 543820, 1087640, 2175280, 23357069, 46714138, 93428276, 116785345, 186856552, 233570690, 373713104, 467141380, 934282760, 1868565520]

約数ペア:

[(1, 1868565520), (2, 934282760), (4, 467141380), (5, 373713104), (8, 233570690), (10, 186856552), (16, 116785345), (20, 93428276), (40, 46714138), (80, 23357069), (859, 2175280), (1718, 1087640), (3436, 543820), (4295, 435056), (6872, 271910), (8590, 217528), (13744, 135955), (17180, 108764), (27191, 68720), (34360, 54382)]