38275340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21503}}^1$

素因数の和:21601

約数の個数: 24

約数和(自身を含む): 81285120

約数和(自身を除く): 43009780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21503, 43006, 86012, 107515, 215030, 430060, 1913767, 3827534, 7655068, 9568835, 19137670, 38275340]

約数ペア:

[(1, 38275340), (2, 19137670), (4, 9568835), (5, 7655068), (10, 3827534), (20, 1913767), (89, 430060), (178, 215030), (356, 107515), (445, 86012), (890, 43006), (1780, 21503)]