4578540520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1039}}^1\times {\mathrm{2687}}^1$

素因数の和:3778

約数の個数: 64

約数和(自身を含む): 10567065600

約数和(自身を除く): 5988525080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1039, 1640, 2078, 2687, 4156, 5195, 5374, 8312, 10390, 10748, 13435, 20780, 21496, 26870, 41560, 42599, 53740, 85198, 107480, 110167, 170396, 212995, 220334, 340792, 425990, 440668, 550835, 851980, 881336, 1101670, 1703960, 2203340, 2791793, 4406680, 5583586, 11167172, 13958965, 22334344, 27917930, 55835860, 111671720, 114463513, 228927026, 457854052, 572317565, 915708104, 1144635130, 2289270260, 4578540520]

約数ペア:

[(1, 4578540520), (2, 2289270260), (4, 1144635130), (5, 915708104), (8, 572317565), (10, 457854052), (20, 228927026), (40, 114463513), (41, 111671720), (82, 55835860), (164, 27917930), (205, 22334344), (328, 13958965), (410, 11167172), (820, 5583586), (1039, 4406680), (1640, 2791793), (2078, 2203340), (2687, 1703960), (4156, 1101670), (5195, 881336), (5374, 851980), (8312, 550835), (10390, 440668), (10748, 425990), (13435, 340792), (20780, 220334), (21496, 212995), (26870, 170396), (41560, 110167), (42599, 107480), (53740, 85198)]