1680974860

素因数分解:

$2^2\times 5^1\times {\mathrm{9109}}^1\times {\mathrm{9227}}^1$

素因数の和:18345

約数の個数: 24

約数和(自身を含む): 3530817360

約数和(自身を除く): 1849842500

約数列:

[1, 2, 4, 5, 10, 20, 9109, 9227, 18218, 18454, 36436, 36908, 45545, 46135, 91090, 92270, 182180, 184540, 84048743, 168097486, 336194972, 420243715, 840487430, 1680974860]

約数ペア:

[(1, 1680974860), (2, 840487430), (4, 420243715), (5, 336194972), (10, 168097486), (20, 84048743), (9109, 184540), (9227, 182180), (18218, 92270), (18454, 91090), (36436, 46135), (36908, 45545)]