12153920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2035

約数の個数: 56

約数和(自身を含む): 30480000

約数和(自身を除く): 18326080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 1999, 3040, 3998, 6080, 7996, 9995, 15992, 19990, 31984, 37981, 39980, 63968, 75962, 79960, 127936, 151924, 159920, 189905, 303848, 319840, 379810, 607696, 639680, 759620, 1215392, 1519240, 2430784, 3038480, 6076960, 12153920]

約数ペア:

[(1, 12153920), (2, 6076960), (4, 3038480), (5, 2430784), (8, 1519240), (10, 1215392), (16, 759620), (19, 639680), (20, 607696), (32, 379810), (38, 319840), (40, 303848), (64, 189905), (76, 159920), (80, 151924), (95, 127936), (152, 79960), (160, 75962), (190, 63968), (304, 39980), (320, 37981), (380, 31984), (608, 19990), (760, 15992), (1216, 9995), (1520, 7996), (1999, 6080), (3040, 3998)]