4221520

素因数分解:

$2^4\times 5^1\times {\mathrm{52769}}^1$

素因数の和:52782

約数の個数: 20

約数和(自身を含む): 9815220

約数和(自身を除く): 5593700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 52769, 105538, 211076, 263845, 422152, 527690, 844304, 1055380, 2110760, 4221520]

約数ペア:

[(1, 4221520), (2, 2110760), (4, 1055380), (5, 844304), (8, 527690), (10, 422152), (16, 263845), (20, 211076), (40, 105538), (80, 52769)]