8867980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 20520864

約数和(自身を除く): 11652884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 173, 220, 233, 346, 466, 692, 865, 932, 1165, 1730, 1903, 2330, 2563, 3460, 3806, 4660, 5126, 7612, 9515, 10252, 12815, 19030, 25630, 38060, 40309, 51260, 80618, 161236, 201545, 403090, 443399, 806180, 886798, 1773596, 2216995, 4433990, 8867980]

約数ペア:

[(1, 8867980), (2, 4433990), (4, 2216995), (5, 1773596), (10, 886798), (11, 806180), (20, 443399), (22, 403090), (44, 201545), (55, 161236), (110, 80618), (173, 51260), (220, 40309), (233, 38060), (346, 25630), (466, 19030), (692, 12815), (865, 10252), (932, 9515), (1165, 7612), (1730, 5126), (1903, 4660), (2330, 3806), (2563, 3460)]