159544640

素因数分解:

$2^6\times 5^1\times {\mathrm{498577}}^1$

素因数の和:498594

約数の個数: 28

約数和(自身を含む): 379916436

約数和(自身を除く): 220371796

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 498577, 997154, 1994308, 2492885, 3988616, 4985770, 7977232, 9971540, 15954464, 19943080, 31908928, 39886160, 79772320, 159544640]

約数ペア:

[(1, 159544640), (2, 79772320), (4, 39886160), (5, 31908928), (8, 19943080), (10, 15954464), (16, 9971540), (20, 7977232), (32, 4985770), (40, 3988616), (64, 2492885), (80, 1994308), (160, 997154), (320, 498577)]