50001280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11161}}^1$

素因数の和:11187

約数の個数: 64

約数和(自身を含む): 136622880

約数和(自身を除く): 86621600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 11161, 22322, 44644, 55805, 78127, 89288, 111610, 156254, 178576, 223220, 312508, 357152, 390635, 446440, 625016, 714304, 781270, 892880, 1250032, 1428608, 1562540, 1785760, 2500064, 3125080, 3571520, 5000128, 6250160, 7143040, 10000256, 12500320, 25000640, 50001280]

約数ペア:

[(1, 50001280), (2, 25000640), (4, 12500320), (5, 10000256), (7, 7143040), (8, 6250160), (10, 5000128), (14, 3571520), (16, 3125080), (20, 2500064), (28, 1785760), (32, 1562540), (35, 1428608), (40, 1250032), (56, 892880), (64, 781270), (70, 714304), (80, 625016), (112, 446440), (128, 390635), (140, 357152), (160, 312508), (224, 223220), (280, 178576), (320, 156254), (448, 111610), (560, 89288), (640, 78127), (896, 55805), (1120, 44644), (2240, 22322), (4480, 11161)]