12840970

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10111}}^1$

素因数の和:10245

約数の個数: 16

約数和(自身を含む): 23298048

約数和(自身を除く): 10457078

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 10111, 20222, 50555, 101110, 1284097, 2568194, 6420485, 12840970]

約数ペア:

[(1, 12840970), (2, 6420485), (5, 2568194), (10, 1284097), (127, 101110), (254, 50555), (635, 20222), (1270, 10111)]