7240420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32911}}^1$

素因数の和:32931

約数の個数: 24

約数和(自身を含む): 16587648

約数和(自身を除く): 9347228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 32911, 65822, 131644, 164555, 329110, 362021, 658220, 724042, 1448084, 1810105, 3620210, 7240420]

約数ペア:

[(1, 7240420), (2, 3620210), (4, 1810105), (5, 1448084), (10, 724042), (11, 658220), (20, 362021), (22, 329110), (44, 164555), (55, 131644), (110, 65822), (220, 32911)]