26883977480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{5081}}^1$

素因数の和:5391

約数の個数: 128

約数和(自身を含む): 66389621760

約数和(自身を除く): 39505644280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 251, 310, 340, 502, 527, 620, 680, 1004, 1054, 1240, 1255, 2008, 2108, 2510, 2635, 4216, 4267, 5020, 5081, 5270, 7781, 8534, 10040, 10162, 10540, 15562, 17068, 20324, 21080, 21335, 25405, 31124, 34136, 38905, 40648, 42670, 50810, 62248, 77810, 85340, 86377, 101620, 132277, 155620, 157511, 170680, 172754, 203240, 264554, 311240, 315022, 345508, 431885, 529108, 630044, 661385, 691016, 787555, 863770, 1058216, 1260088, 1275331, 1322770, 1575110, 1727540, 2550662, 2645540, 2677687, 3150220, 3455080, 5101324, 5291080, 5355374, 6300440, 6376655, 10202648, 10710748, 12753310, 13388435, 21421496, 21680627, 25506620, 26776870, 39535261, 43361254, 51013240, 53553740, 79070522, 86722508, 107107480, 108403135, 158141044, 173445016, 197676305, 216806270, 316282088, 395352610, 433612540, 672099437, 790705220, 867225080, 1344198874, 1581410440, 2688397748, 3360497185, 5376795496, 6720994370, 13441988740, 26883977480]

約数ペア:

[(1, 26883977480), (2, 13441988740), (4, 6720994370), (5, 5376795496), (8, 3360497185), (10, 2688397748), (17, 1581410440), (20, 1344198874), (31, 867225080), (34, 790705220), (40, 672099437), (62, 433612540), (68, 395352610), (85, 316282088), (124, 216806270), (136, 197676305), (155, 173445016), (170, 158141044), (248, 108403135), (251, 107107480), (310, 86722508), (340, 79070522), (502, 53553740), (527, 51013240), (620, 43361254), (680, 39535261), (1004, 26776870), (1054, 25506620), (1240, 21680627), (1255, 21421496), (2008, 13388435), (2108, 12753310), (2510, 10710748), (2635, 10202648), (4216, 6376655), (4267, 6300440), (5020, 5355374), (5081, 5291080), (5270, 5101324), (7781, 3455080), (8534, 3150220), (10040, 2677687), (10162, 2645540), (10540, 2550662), (15562, 1727540), (17068, 1575110), (20324, 1322770), (21080, 1275331), (21335, 1260088), (25405, 1058216), (31124, 863770), (34136, 787555), (38905, 691016), (40648, 661385), (42670, 630044), (50810, 529108), (62248, 431885), (77810, 345508), (85340, 315022), (86377, 311240), (101620, 264554), (132277, 203240), (155620, 172754), (157511, 170680)]