78407260

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{30869}}^1$

素因数の和:31005

約数の個数: 24

約数和(自身を含む): 165957120

約数和(自身を除く): 87549860

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 30869, 61738, 123476, 154345, 308690, 617380, 3920363, 7840726, 15681452, 19601815, 39203630, 78407260]

約数ペア:

[(1, 78407260), (2, 39203630), (4, 19601815), (5, 15681452), (10, 7840726), (20, 3920363), (127, 617380), (254, 308690), (508, 154345), (635, 123476), (1270, 61738), (2540, 30869)]