40720189

素因数分解:

${\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 43868160

約数和(自身を除く): 3147971

約数列:

[1, 23, 47, 139, 271, 1081, 3197, 6233, 6533, 12737, 37669, 150259, 292951, 866387, 1770443, 40720189]

約数ペア:

[(1, 40720189), (23, 1770443), (47, 866387), (139, 292951), (271, 150259), (1081, 37669), (3197, 12737), (6233, 6533)]