53945980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{245209}}^1$

素因数の和:245229

約数の個数: 24

約数和(自身を含む): 123585840

約数和(自身を除く): 69639860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 245209, 490418, 980836, 1226045, 2452090, 2697299, 4904180, 5394598, 10789196, 13486495, 26972990, 53945980]

約数ペア:

[(1, 53945980), (2, 26972990), (4, 13486495), (5, 10789196), (10, 5394598), (11, 4904180), (20, 2697299), (22, 2452090), (44, 1226045), (55, 980836), (110, 490418), (220, 245209)]