77364440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27241}}^1$

素因数の和:27323

約数の個数: 32

約数和(自身を含む): 176528160

約数和(自身を除く): 99163720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 27241, 54482, 108964, 136205, 217928, 272410, 544820, 1089640, 1934111, 3868222, 7736444, 9670555, 15472888, 19341110, 38682220, 77364440]

約数ペア:

[(1, 77364440), (2, 38682220), (4, 19341110), (5, 15472888), (8, 9670555), (10, 7736444), (20, 3868222), (40, 1934111), (71, 1089640), (142, 544820), (284, 272410), (355, 217928), (568, 136205), (710, 108964), (1420, 54482), (2840, 27241)]