210860120

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{5113}}^1$

素因数の和:6155

約数の個数: 32

約数和(自身を含む): 474988320

約数和(自身を除く): 264128200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5113, 5155, 8248, 10226, 10310, 20452, 20620, 25565, 40904, 41240, 51130, 102260, 204520, 5271503, 10543006, 21086012, 26357515, 42172024, 52715030, 105430060, 210860120]

約数ペア:

[(1, 210860120), (2, 105430060), (4, 52715030), (5, 42172024), (8, 26357515), (10, 21086012), (20, 10543006), (40, 5271503), (1031, 204520), (2062, 102260), (4124, 51130), (5113, 41240), (5155, 40904), (8248, 25565), (10226, 20620), (10310, 20452)]