87636820

素因数分解:

$2^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{5113}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 184288104

約数和(自身を除く): 96651284

約数列:

[1, 2, 4, 5, 10, 20, 857, 1714, 3428, 4285, 5113, 8570, 10226, 17140, 20452, 25565, 51130, 102260, 4381841, 8763682, 17527364, 21909205, 43818410, 87636820]

約数ペア:

[(1, 87636820), (2, 43818410), (4, 21909205), (5, 17527364), (10, 8763682), (20, 4381841), (857, 102260), (1714, 51130), (3428, 25565), (4285, 20452), (5113, 17140), (8570, 10226)]