55394020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{251791}}^1$

素因数の和:251811

約数の個数: 24

約数和(自身を含む): 126903168

約数和(自身を除く): 71509148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 251791, 503582, 1007164, 1258955, 2517910, 2769701, 5035820, 5539402, 11078804, 13848505, 27697010, 55394020]

約数ペア:

[(1, 55394020), (2, 27697010), (4, 13848505), (5, 11078804), (10, 5539402), (11, 5035820), (20, 2769701), (22, 2517910), (44, 1258955), (55, 1007164), (110, 503582), (220, 251791)]