88555760

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1117}}^1$

素因数の和:2121

約数の個数: 40

約数和(自身を含む): 206284416

約数和(自身を除く): 117728656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1117, 1982, 2234, 3964, 4468, 4955, 5585, 7928, 8936, 9910, 11170, 15856, 17872, 19820, 22340, 39640, 44680, 79280, 89360, 1106947, 2213894, 4427788, 5534735, 8855576, 11069470, 17711152, 22138940, 44277880, 88555760]

約数ペア:

[(1, 88555760), (2, 44277880), (4, 22138940), (5, 17711152), (8, 11069470), (10, 8855576), (16, 5534735), (20, 4427788), (40, 2213894), (80, 1106947), (991, 89360), (1117, 79280), (1982, 44680), (2234, 39640), (3964, 22340), (4468, 19820), (4955, 17872), (5585, 15856), (7928, 11170), (8936, 9910)]