105858160

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18637}}^1$

素因数の和:18721

約数の個数: 40

約数和(自身を含む): 249600096

約数和(自身を除く): 143741936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 18637, 37274, 74548, 93185, 149096, 186370, 298192, 372740, 745480, 1323227, 1490960, 2646454, 5292908, 6616135, 10585816, 13232270, 21171632, 26464540, 52929080, 105858160]

約数ペア:

[(1, 105858160), (2, 52929080), (4, 26464540), (5, 21171632), (8, 13232270), (10, 10585816), (16, 6616135), (20, 5292908), (40, 2646454), (71, 1490960), (80, 1323227), (142, 745480), (284, 372740), (355, 298192), (568, 186370), (710, 149096), (1136, 93185), (1420, 74548), (2840, 37274), (5680, 18637)]