11978780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54449}}^1$

素因数の和:54469

約数の個数: 24

約数和(自身を含む): 27442800

約数和(自身を除く): 15464020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54449, 108898, 217796, 272245, 544490, 598939, 1088980, 1197878, 2395756, 2994695, 5989390, 11978780]

約数ペア:

[(1, 11978780), (2, 5989390), (4, 2994695), (5, 2395756), (10, 1197878), (11, 1088980), (20, 598939), (22, 544490), (44, 272245), (55, 217796), (110, 108898), (220, 54449)]