80665544

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1321}}^1$

素因数の和:1793

約数の個数: 32

約数和(自身を含む): 160623000

約数和(自身を除く): 79957456

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 449, 898, 1321, 1796, 2642, 3592, 5284, 7633, 10568, 15266, 22457, 30532, 44914, 61064, 89828, 179656, 593129, 1186258, 2372516, 4745032, 10083193, 20166386, 40332772, 80665544]

約数ペア:

[(1, 80665544), (2, 40332772), (4, 20166386), (8, 10083193), (17, 4745032), (34, 2372516), (68, 1186258), (136, 593129), (449, 179656), (898, 89828), (1321, 61064), (1796, 44914), (2642, 30532), (3592, 22457), (5284, 15266), (7633, 10568)]