56280080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 138741120

約数和(自身を除く): 82461040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 73, 80, 92, 115, 146, 184, 230, 292, 365, 368, 419, 460, 584, 730, 838, 920, 1168, 1460, 1676, 1679, 1840, 2095, 2920, 3352, 3358, 4190, 5840, 6704, 6716, 8380, 8395, 9637, 13432, 16760, 16790, 19274, 26864, 30587, 33520, 33580, 38548, 48185, 61174, 67160, 77096, 96370, 122348, 134320, 152935, 154192, 192740, 244696, 305870, 385480, 489392, 611740, 703501, 770960, 1223480, 1407002, 2446960, 2814004, 3517505, 5628008, 7035010, 11256016, 14070020, 28140040, 56280080]

約数ペア:

[(1, 56280080), (2, 28140040), (4, 14070020), (5, 11256016), (8, 7035010), (10, 5628008), (16, 3517505), (20, 2814004), (23, 2446960), (40, 1407002), (46, 1223480), (73, 770960), (80, 703501), (92, 611740), (115, 489392), (146, 385480), (184, 305870), (230, 244696), (292, 192740), (365, 154192), (368, 152935), (419, 134320), (460, 122348), (584, 96370), (730, 77096), (838, 67160), (920, 61174), (1168, 48185), (1460, 38548), (1676, 33580), (1679, 33520), (1840, 30587), (2095, 26864), (2920, 19274), (3352, 16790), (3358, 16760), (4190, 13432), (5840, 9637), (6704, 8395), (6716, 8380)]