4160420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18911}}^1$

素因数の和:18931

約数の個数: 24

約数和(自身を含む): 9531648

約数和(自身を除く): 5371228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18911, 37822, 75644, 94555, 189110, 208021, 378220, 416042, 832084, 1040105, 2080210, 4160420]

約数ペア:

[(1, 4160420), (2, 2080210), (4, 1040105), (5, 832084), (10, 416042), (11, 378220), (20, 208021), (22, 189110), (44, 94555), (55, 75644), (110, 37822), (220, 18911)]