72886040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{13109}}^1$

素因数の和:13259

約数の個数: 32

約数和(自身を含む): 165186000

約数和(自身を除く): 92299960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 13109, 26218, 52436, 65545, 104872, 131090, 262180, 524360, 1822151, 3644302, 7288604, 9110755, 14577208, 18221510, 36443020, 72886040]

約数ペア:

[(1, 72886040), (2, 36443020), (4, 18221510), (5, 14577208), (8, 9110755), (10, 7288604), (20, 3644302), (40, 1822151), (139, 524360), (278, 262180), (556, 131090), (695, 104872), (1112, 65545), (1390, 52436), (2780, 26218), (5560, 13109)]