30712120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8627}}^1$

素因数の和:8727

約数の個数: 32

約数和(自身を含む): 69886800

約数和(自身を除く): 39174680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 8627, 17254, 34508, 43135, 69016, 86270, 172540, 345080, 767803, 1535606, 3071212, 3839015, 6142424, 7678030, 15356060, 30712120]

約数ペア:

[(1, 30712120), (2, 15356060), (4, 7678030), (5, 6142424), (8, 3839015), (10, 3071212), (20, 1535606), (40, 767803), (89, 345080), (178, 172540), (356, 86270), (445, 69016), (712, 43135), (890, 34508), (1780, 17254), (3560, 8627)]