80915540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{37811}}^1$

素因数の和:37927

約数の個数: 24

約数和(自身を含む): 171515232

約数和(自身を除く): 90599692

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 37811, 75622, 151244, 189055, 378110, 756220, 4045777, 8091554, 16183108, 20228885, 40457770, 80915540]

約数ペア:

[(1, 80915540), (2, 40457770), (4, 20228885), (5, 16183108), (10, 8091554), (20, 4045777), (107, 756220), (214, 378110), (428, 189055), (535, 151244), (1070, 75622), (2140, 37811)]