2321807920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{408769}}^1$

素因数の和:408853

約数の個数: 40

約数和(自身を含む): 5474247840

約数和(自身を除く): 3152439920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 408769, 817538, 1635076, 2043845, 3270152, 4087690, 6540304, 8175380, 16350760, 29022599, 32701520, 58045198, 116090396, 145112995, 232180792, 290225990, 464361584, 580451980, 1160903960, 2321807920]

約数ペア:

[(1, 2321807920), (2, 1160903960), (4, 580451980), (5, 464361584), (8, 290225990), (10, 232180792), (16, 145112995), (20, 116090396), (40, 58045198), (71, 32701520), (80, 29022599), (142, 16350760), (284, 8175380), (355, 6540304), (568, 4087690), (710, 3270152), (1136, 2043845), (1420, 1635076), (2840, 817538), (5680, 408769)]