102560

素因数分解:

$2^5\times 5^1\times {\mathrm{641}}^1$

素因数の和:656

約数の個数: 24

約数和(自身を含む): 242676

約数和(自身を除く): 140116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 20512, 25640, 51280, 102560]

約数ペア:

[(1, 102560), (2, 51280), (4, 25640), (5, 20512), (8, 12820), (10, 10256), (16, 6410), (20, 5128), (32, 3205), (40, 2564), (80, 1282), (160, 641)]