127720760

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{47657}}^1$

素因数の和:47735

約数の個数: 32

約数和(自身を含む): 291666960

約数和(自身を除く): 163946200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 47657, 95314, 190628, 238285, 381256, 476570, 953140, 1906280, 3193019, 6386038, 12772076, 15965095, 25544152, 31930190, 63860380, 127720760]

約数ペア:

[(1, 127720760), (2, 63860380), (4, 31930190), (5, 25544152), (8, 15965095), (10, 12772076), (20, 6386038), (40, 3193019), (67, 1906280), (134, 953140), (268, 476570), (335, 381256), (536, 238285), (670, 190628), (1340, 95314), (2680, 47657)]