127783280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{55079}}^1$

素因数の和:55121

約数の個数: 40

約数和(自身を含む): 307346400

約数和(自身を除く): 179563120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 55079, 110158, 220316, 275395, 440632, 550790, 881264, 1101580, 1597291, 2203160, 3194582, 4406320, 6389164, 7986455, 12778328, 15972910, 25556656, 31945820, 63891640, 127783280]

約数ペア:

[(1, 127783280), (2, 63891640), (4, 31945820), (5, 25556656), (8, 15972910), (10, 12778328), (16, 7986455), (20, 6389164), (29, 4406320), (40, 3194582), (58, 2203160), (80, 1597291), (116, 1101580), (145, 881264), (232, 550790), (290, 440632), (464, 275395), (580, 220316), (1160, 110158), (2320, 55079)]