79758440

素因数分解:

$2^3\times 5^1\times {\mathrm{1279}}^1\times {\mathrm{1559}}^1$

素因数の和:2849

約数の個数: 32

約数和(自身を含む): 179712000

約数和(自身を除く): 99953560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1279, 1559, 2558, 3118, 5116, 6236, 6395, 7795, 10232, 12472, 12790, 15590, 25580, 31180, 51160, 62360, 1993961, 3987922, 7975844, 9969805, 15951688, 19939610, 39879220, 79758440]

約数ペア:

[(1, 79758440), (2, 39879220), (4, 19939610), (5, 15951688), (8, 9969805), (10, 7975844), (20, 3987922), (40, 1993961), (1279, 62360), (1559, 51160), (2558, 31180), (3118, 25580), (5116, 15590), (6236, 12790), (6395, 12472), (7795, 10232)]