40003664

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131591}}^1$

素因数の和:131618

約数の個数: 20

約数和(自身を含む): 81587040

約数和(自身を除く): 41583376

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131591, 263182, 526364, 1052728, 2105456, 2500229, 5000458, 10000916, 20001832, 40003664]

約数ペア:

[(1, 40003664), (2, 20001832), (4, 10000916), (8, 5000458), (16, 2500229), (19, 2105456), (38, 1052728), (76, 526364), (152, 263182), (304, 131591)]