28988380

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{4177}}^1$

素因数の和:4533

約数の個数: 24

約数和(自身を含む): 61065648

約数和(自身を除く): 32077268

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 4177, 6940, 8354, 16708, 20885, 41770, 83540, 1449419, 2898838, 5797676, 7247095, 14494190, 28988380]

約数ペア:

[(1, 28988380), (2, 14494190), (4, 7247095), (5, 5797676), (10, 2898838), (20, 1449419), (347, 83540), (694, 41770), (1388, 20885), (1735, 16708), (3470, 8354), (4177, 6940)]