77790040

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15313}}^1$

素因数の和:15451

約数の個数: 32

約数和(自身を含む): 176417280

約数和(自身を除く): 98627240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 15313, 30626, 61252, 76565, 122504, 153130, 306260, 612520, 1944751, 3889502, 7779004, 9723755, 15558008, 19447510, 38895020, 77790040]

約数ペア:

[(1, 77790040), (2, 38895020), (4, 19447510), (5, 15558008), (8, 9723755), (10, 7779004), (20, 3889502), (40, 1944751), (127, 612520), (254, 306260), (508, 153130), (635, 122504), (1016, 76565), (1270, 61252), (2540, 30626), (5080, 15313)]