15875420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72161}}^1$

素因数の和:72181

約数の個数: 24

約数和(自身を含む): 36369648

約数和(自身を除く): 20494228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 72161, 144322, 288644, 360805, 721610, 793771, 1443220, 1587542, 3175084, 3968855, 7937710, 15875420]

約数ペア:

[(1, 15875420), (2, 7937710), (4, 3968855), (5, 3175084), (10, 1587542), (11, 1443220), (20, 793771), (22, 721610), (44, 360805), (55, 288644), (110, 144322), (220, 72161)]