28767460

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1297}}^1$

素因数の和:2415

約数の個数: 24

約数和(自身を含む): 60512760

約数和(自身を除く): 31745300

約数列:

[1, 2, 4, 5, 10, 20, 1109, 1297, 2218, 2594, 4436, 5188, 5545, 6485, 11090, 12970, 22180, 25940, 1438373, 2876746, 5753492, 7191865, 14383730, 28767460]

約数ペア:

[(1, 28767460), (2, 14383730), (4, 7191865), (5, 5753492), (10, 2876746), (20, 1438373), (1109, 25940), (1297, 22180), (2218, 12970), (2594, 11090), (4436, 6485), (5188, 5545)]