87655280

素因数分解:

$2^4\times 5^1\times {\mathrm{1095691}}^1$

素因数の和:1095704

約数の個数: 20

約数和(自身を含む): 203798712

約数和(自身を除く): 116143432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1095691, 2191382, 4382764, 5478455, 8765528, 10956910, 17531056, 21913820, 43827640, 87655280]

約数ペア:

[(1, 87655280), (2, 43827640), (4, 21913820), (5, 17531056), (8, 10956910), (10, 8765528), (16, 5478455), (20, 4382764), (40, 2191382), (80, 1095691)]