134420080

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{21269}}^1$

素因数の和:21361

約数の個数: 40

約数和(自身を含む): 316497600

約数和(自身を除く): 182077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 21269, 42538, 85076, 106345, 170152, 212690, 340304, 425380, 850760, 1680251, 1701520, 3360502, 6721004, 8401255, 13442008, 16802510, 26884016, 33605020, 67210040, 134420080]

約数ペア:

[(1, 134420080), (2, 67210040), (4, 33605020), (5, 26884016), (8, 16802510), (10, 13442008), (16, 8401255), (20, 6721004), (40, 3360502), (79, 1701520), (80, 1680251), (158, 850760), (316, 425380), (395, 340304), (632, 212690), (790, 170152), (1264, 106345), (1580, 85076), (3160, 42538), (6320, 21269)]