55105940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 118589184

約数和(自身を除く): 63483244

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 151, 257, 284, 302, 355, 514, 604, 710, 755, 1028, 1285, 1420, 1510, 2570, 3020, 5140, 10721, 18247, 21442, 36494, 38807, 42884, 53605, 72988, 77614, 91235, 107210, 155228, 182470, 194035, 214420, 364940, 388070, 776140, 2755297, 5510594, 11021188, 13776485, 27552970, 55105940]

約数ペア:

[(1, 55105940), (2, 27552970), (4, 13776485), (5, 11021188), (10, 5510594), (20, 2755297), (71, 776140), (142, 388070), (151, 364940), (257, 214420), (284, 194035), (302, 182470), (355, 155228), (514, 107210), (604, 91235), (710, 77614), (755, 72988), (1028, 53605), (1285, 42884), (1420, 38807), (1510, 36494), (2570, 21442), (3020, 18247), (5140, 10721)]