7940860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20897}}^1$

素因数の和:20925

約数の個数: 24

約数和(自身を含む): 17554320

約数和(自身を除く): 9613460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20897, 41794, 83588, 104485, 208970, 397043, 417940, 794086, 1588172, 1985215, 3970430, 7940860]

約数ペア:

[(1, 7940860), (2, 3970430), (4, 1985215), (5, 1588172), (10, 794086), (19, 417940), (20, 397043), (38, 208970), (76, 104485), (95, 83588), (190, 41794), (380, 20897)]