71942680

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{9319}}^1$

素因数の和:9523

約数の個数: 32

約数和(自身を含む): 162727200

約数和(自身を除く): 90784520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 9319, 18638, 37276, 46595, 74552, 93190, 186380, 372760, 1798567, 3597134, 7194268, 8992835, 14388536, 17985670, 35971340, 71942680]

約数ペア:

[(1, 71942680), (2, 35971340), (4, 17985670), (5, 14388536), (8, 8992835), (10, 7194268), (20, 3597134), (40, 1798567), (193, 372760), (386, 186380), (772, 93190), (965, 74552), (1544, 46595), (1930, 37276), (3860, 18638), (7720, 9319)]