8081637080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1693}}^1$

素因数の和:2305

約数の個数: 128

約数和(自身を含む): 20929708800

約数和(自身を除く): 12848071720

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 571, 760, 836, 1045, 1142, 1672, 1693, 2090, 2284, 2855, 3386, 4180, 4568, 5710, 6281, 6772, 8360, 8465, 10849, 11420, 12562, 13544, 16930, 18623, 21698, 22840, 25124, 31405, 32167, 33860, 37246, 43396, 50248, 54245, 62810, 64334, 67720, 74492, 86792, 93115, 108490, 119339, 125620, 128668, 148984, 160835, 186230, 216980, 238678, 251240, 257336, 321670, 353837, 372460, 433960, 477356, 596695, 643340, 707674, 744920, 954712, 966703, 1193390, 1286680, 1415348, 1769185, 1933406, 2386780, 2830696, 3538370, 3866812, 4773560, 4833515, 7076740, 7733624, 9667030, 10633733, 14153480, 18367357, 19334060, 21267466, 36734714, 38668120, 42534932, 53168665, 73469428, 85069864, 91836785, 106337330, 146938856, 183673570, 202040927, 212674660, 367347140, 404081854, 425349320, 734694280, 808163708, 1010204635, 1616327416, 2020409270, 4040818540, 8081637080]

約数ペア:

[(1, 8081637080), (2, 4040818540), (4, 2020409270), (5, 1616327416), (8, 1010204635), (10, 808163708), (11, 734694280), (19, 425349320), (20, 404081854), (22, 367347140), (38, 212674660), (40, 202040927), (44, 183673570), (55, 146938856), (76, 106337330), (88, 91836785), (95, 85069864), (110, 73469428), (152, 53168665), (190, 42534932), (209, 38668120), (220, 36734714), (380, 21267466), (418, 19334060), (440, 18367357), (571, 14153480), (760, 10633733), (836, 9667030), (1045, 7733624), (1142, 7076740), (1672, 4833515), (1693, 4773560), (2090, 3866812), (2284, 3538370), (2855, 2830696), (3386, 2386780), (4180, 1933406), (4568, 1769185), (5710, 1415348), (6281, 1286680), (6772, 1193390), (8360, 966703), (8465, 954712), (10849, 744920), (11420, 707674), (12562, 643340), (13544, 596695), (16930, 477356), (18623, 433960), (21698, 372460), (22840, 353837), (25124, 321670), (31405, 257336), (32167, 251240), (33860, 238678), (37246, 216980), (43396, 186230), (50248, 160835), (54245, 148984), (62810, 128668), (64334, 125620), (67720, 119339), (74492, 108490), (86792, 93115)]