2010040820

素因数分解:

$2^2\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{77969}}^1$

素因数の和:79267

約数の個数: 24

約数和(自身を含む): 4224414600

約数和(自身を除く): 2214373780

約数列:

[1, 2, 4, 5, 10, 20, 1289, 2578, 5156, 6445, 12890, 25780, 77969, 155938, 311876, 389845, 779690, 1559380, 100502041, 201004082, 402008164, 502510205, 1005020410, 2010040820]

約数ペア:

[(1, 2010040820), (2, 1005020410), (4, 502510205), (5, 402008164), (10, 201004082), (20, 100502041), (1289, 1559380), (2578, 779690), (5156, 389845), (6445, 311876), (12890, 155938), (25780, 77969)]