65946820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{39727}}^1$

素因数の和:39819

約数の個数: 24

約数和(自身を含む): 140160384

約数和(自身を除く): 74213564

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 39727, 79454, 158908, 198635, 397270, 794540, 3297341, 6594682, 13189364, 16486705, 32973410, 65946820]

約数ペア:

[(1, 65946820), (2, 32973410), (4, 16486705), (5, 13189364), (10, 6594682), (20, 3297341), (83, 794540), (166, 397270), (332, 198635), (415, 158908), (830, 79454), (1660, 39727)]