65540420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{297911}}^1$

素因数の和:297931

約数の個数: 24

約数和(自身を含む): 150147648

約数和(自身を除く): 84607228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 297911, 595822, 1191644, 1489555, 2979110, 3277021, 5958220, 6554042, 13108084, 16385105, 32770210, 65540420]

約数ペア:

[(1, 65540420), (2, 32770210), (4, 16385105), (5, 13108084), (10, 6554042), (11, 5958220), (20, 3277021), (22, 2979110), (44, 1489555), (55, 1191644), (110, 595822), (220, 297911)]