23142040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 54250560

約数和(自身を除く): 31108520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 137, 164, 205, 206, 274, 328, 410, 412, 515, 548, 685, 820, 824, 1030, 1096, 1370, 1640, 2060, 2740, 4120, 4223, 5480, 5617, 8446, 11234, 14111, 16892, 21115, 22468, 28085, 28222, 33784, 42230, 44936, 56170, 56444, 70555, 84460, 112340, 112888, 141110, 168920, 224680, 282220, 564440, 578551, 1157102, 2314204, 2892755, 4628408, 5785510, 11571020, 23142040]

約数ペア:

[(1, 23142040), (2, 11571020), (4, 5785510), (5, 4628408), (8, 2892755), (10, 2314204), (20, 1157102), (40, 578551), (41, 564440), (82, 282220), (103, 224680), (137, 168920), (164, 141110), (205, 112888), (206, 112340), (274, 84460), (328, 70555), (410, 56444), (412, 56170), (515, 44936), (548, 42230), (685, 33784), (820, 28222), (824, 28085), (1030, 22468), (1096, 21115), (1370, 16892), (1640, 14111), (2060, 11234), (2740, 8446), (4120, 5617), (4223, 5480)]