139046120

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{3919}}^1$

素因数の和:4817

約数の個数: 32

約数和(自身を含む): 313286400

約数和(自身を除く): 174240280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 3919, 4435, 7096, 7838, 8870, 15676, 17740, 19595, 31352, 35480, 39190, 78380, 156760, 3476153, 6952306, 13904612, 17380765, 27809224, 34761530, 69523060, 139046120]

約数ペア:

[(1, 139046120), (2, 69523060), (4, 34761530), (5, 27809224), (8, 17380765), (10, 13904612), (20, 6952306), (40, 3476153), (887, 156760), (1774, 78380), (3548, 39190), (3919, 35480), (4435, 31352), (7096, 19595), (7838, 17740), (8870, 15676)]