2078980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5471}}^1$

素因数の和:5499

約数の個数: 24

約数和(自身を含む): 4596480

約数和(自身を除く): 2517500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5471, 10942, 21884, 27355, 54710, 103949, 109420, 207898, 415796, 519745, 1039490, 2078980]

約数ペア:

[(1, 2078980), (2, 1039490), (4, 519745), (5, 415796), (10, 207898), (19, 109420), (20, 103949), (38, 54710), (76, 27355), (95, 21884), (190, 10942), (380, 5471)]