39990820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{105239}}^1$

素因数の和:105267

約数の個数: 24

約数和(自身を含む): 88401600

約数和(自身を除く): 48410780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 105239, 210478, 420956, 526195, 1052390, 1999541, 2104780, 3999082, 7998164, 9997705, 19995410, 39990820]

約数ペア:

[(1, 39990820), (2, 19995410), (4, 9997705), (5, 7998164), (10, 3999082), (19, 2104780), (20, 1999541), (38, 1052390), (76, 526195), (95, 420956), (190, 210478), (380, 105239)]