525413200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1279}}^1$

素因数の和:1389

約数の個数: 120

約数和(自身を含む): 1377689600

約数和(自身を除く): 852276400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 79, 80, 100, 104, 130, 158, 200, 208, 260, 316, 325, 395, 400, 520, 632, 650, 790, 1027, 1040, 1264, 1279, 1300, 1580, 1975, 2054, 2558, 2600, 3160, 3950, 4108, 5116, 5135, 5200, 6320, 6395, 7900, 8216, 10232, 10270, 12790, 15800, 16432, 16627, 20464, 20540, 25580, 25675, 31600, 31975, 33254, 41080, 51160, 51350, 63950, 66508, 82160, 83135, 101041, 102320, 102700, 127900, 133016, 166270, 202082, 205400, 255800, 266032, 332540, 404164, 410800, 415675, 505205, 511600, 665080, 808328, 831350, 1010410, 1313533, 1330160, 1616656, 1662700, 2020820, 2526025, 2627066, 3325400, 4041640, 5052050, 5254132, 6567665, 6650800, 8083280, 10104100, 10508264, 13135330, 20208200, 21016528, 26270660, 32838325, 40416400, 52541320, 65676650, 105082640, 131353300, 262706600, 525413200]

約数ペア:

[(1, 525413200), (2, 262706600), (4, 131353300), (5, 105082640), (8, 65676650), (10, 52541320), (13, 40416400), (16, 32838325), (20, 26270660), (25, 21016528), (26, 20208200), (40, 13135330), (50, 10508264), (52, 10104100), (65, 8083280), (79, 6650800), (80, 6567665), (100, 5254132), (104, 5052050), (130, 4041640), (158, 3325400), (200, 2627066), (208, 2526025), (260, 2020820), (316, 1662700), (325, 1616656), (395, 1330160), (400, 1313533), (520, 1010410), (632, 831350), (650, 808328), (790, 665080), (1027, 511600), (1040, 505205), (1264, 415675), (1279, 410800), (1300, 404164), (1580, 332540), (1975, 266032), (2054, 255800), (2558, 205400), (2600, 202082), (3160, 166270), (3950, 133016), (4108, 127900), (5116, 102700), (5135, 102320), (5200, 101041), (6320, 83135), (6395, 82160), (7900, 66508), (8216, 63950), (10232, 51350), (10270, 51160), (12790, 41080), (15800, 33254), (16432, 31975), (16627, 31600), (20464, 25675), (20540, 25580)]