8866780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 20391840

約数和(自身を除く): 11525060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 509, 670, 871, 1018, 1340, 1742, 2036, 2545, 3484, 4355, 5090, 6617, 8710, 10180, 13234, 17420, 26468, 33085, 34103, 66170, 68206, 132340, 136412, 170515, 341030, 443339, 682060, 886678, 1773356, 2216695, 4433390, 8866780]

約数ペア:

[(1, 8866780), (2, 4433390), (4, 2216695), (5, 1773356), (10, 886678), (13, 682060), (20, 443339), (26, 341030), (52, 170515), (65, 136412), (67, 132340), (130, 68206), (134, 66170), (260, 34103), (268, 33085), (335, 26468), (509, 17420), (670, 13234), (871, 10180), (1018, 8710), (1340, 6617), (1742, 5090), (2036, 4355), (2545, 3484)]