27550640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 70308000

約数和(自身を除く): 42757360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 449, 472, 520, 590, 767, 898, 944, 1040, 1180, 1534, 1796, 2245, 2360, 3068, 3592, 3835, 4490, 4720, 5837, 6136, 7184, 7670, 8980, 11674, 12272, 15340, 17960, 23348, 26491, 29185, 30680, 35920, 46696, 52982, 58370, 61360, 93392, 105964, 116740, 132455, 211928, 233480, 264910, 344383, 423856, 466960, 529820, 688766, 1059640, 1377532, 1721915, 2119280, 2755064, 3443830, 5510128, 6887660, 13775320, 27550640]

約数ペア:

[(1, 27550640), (2, 13775320), (4, 6887660), (5, 5510128), (8, 3443830), (10, 2755064), (13, 2119280), (16, 1721915), (20, 1377532), (26, 1059640), (40, 688766), (52, 529820), (59, 466960), (65, 423856), (80, 344383), (104, 264910), (118, 233480), (130, 211928), (208, 132455), (236, 116740), (260, 105964), (295, 93392), (449, 61360), (472, 58370), (520, 52982), (590, 46696), (767, 35920), (898, 30680), (944, 29185), (1040, 26491), (1180, 23348), (1534, 17960), (1796, 15340), (2245, 12272), (2360, 11674), (3068, 8980), (3592, 7670), (3835, 7184), (4490, 6136), (4720, 5837)]