28502140

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{1217}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 59954832

約数和(自身を除く): 31452692

約数列:

[1, 2, 4, 5, 10, 20, 1171, 1217, 2342, 2434, 4684, 4868, 5855, 6085, 11710, 12170, 23420, 24340, 1425107, 2850214, 5700428, 7125535, 14251070, 28502140]

約数ペア:

[(1, 28502140), (2, 14251070), (4, 7125535), (5, 5700428), (10, 2850214), (20, 1425107), (1171, 24340), (1217, 23420), (2342, 12170), (2434, 11710), (4684, 6085), (4868, 5855)]