55885520

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9839}}^1$

素因数の和:9923

約数の個数: 40

約数和(自身を含む): 131777280

約数和(自身を除く): 75891760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 9839, 19678, 39356, 49195, 78712, 98390, 157424, 196780, 393560, 698569, 787120, 1397138, 2794276, 3492845, 5588552, 6985690, 11177104, 13971380, 27942760, 55885520]

約数ペア:

[(1, 55885520), (2, 27942760), (4, 13971380), (5, 11177104), (8, 6985690), (10, 5588552), (16, 3492845), (20, 2794276), (40, 1397138), (71, 787120), (80, 698569), (142, 393560), (284, 196780), (355, 157424), (568, 98390), (710, 78712), (1136, 49195), (1420, 39356), (2840, 19678), (5680, 9839)]