64151860

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{18541}}^1$

素因数の和:18723

約数の個数: 24

約数和(自身を含む): 135504936

約数和(自身を除く): 71353076

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 18541, 37082, 74164, 92705, 185410, 370820, 3207593, 6415186, 12830372, 16037965, 32075930, 64151860]

約数ペア:

[(1, 64151860), (2, 32075930), (4, 16037965), (5, 12830372), (10, 6415186), (20, 3207593), (173, 370820), (346, 185410), (692, 92705), (865, 74164), (1730, 37082), (3460, 18541)]