2455420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11161}}^1$

素因数の和:11181

約数の個数: 24

約数和(自身を含む): 5625648

約数和(自身を除く): 3170228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11161, 22322, 44644, 55805, 111610, 122771, 223220, 245542, 491084, 613855, 1227710, 2455420]

約数ペア:

[(1, 2455420), (2, 1227710), (4, 613855), (5, 491084), (10, 245542), (11, 223220), (20, 122771), (22, 111610), (44, 55805), (55, 44644), (110, 22322), (220, 11161)]