1189820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1451}}^1$

素因数の和:1501

約数の個数: 24

約数和(自身を含む): 2561328

約数和(自身を除く): 1371508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1451, 2902, 5804, 7255, 14510, 29020, 59491, 118982, 237964, 297455, 594910, 1189820]

約数ペア:

[(1, 1189820), (2, 594910), (4, 297455), (5, 237964), (10, 118982), (20, 59491), (41, 29020), (82, 14510), (164, 7255), (205, 5804), (410, 2902), (820, 1451)]