87078260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1031}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 189326592

約数和(自身を除く): 102248332

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 103, 164, 205, 206, 410, 412, 515, 820, 1030, 1031, 2060, 2062, 4124, 4223, 5155, 8446, 10310, 16892, 20620, 21115, 42230, 42271, 84460, 84542, 106193, 169084, 211355, 212386, 422710, 424772, 530965, 845420, 1061930, 2123860, 4353913, 8707826, 17415652, 21769565, 43539130, 87078260]

約数ペア:

[(1, 87078260), (2, 43539130), (4, 21769565), (5, 17415652), (10, 8707826), (20, 4353913), (41, 2123860), (82, 1061930), (103, 845420), (164, 530965), (205, 424772), (206, 422710), (410, 212386), (412, 211355), (515, 169084), (820, 106193), (1030, 84542), (1031, 84460), (2060, 42271), (2062, 42230), (4124, 21115), (4223, 20620), (5155, 16892), (8446, 10310)]