13918720

素因数分解:

$2^9\times 5^1\times {\mathrm{5437}}^1$

素因数の和:5460

約数の個数: 40

約数和(自身を含む): 33378444

約数和(自身を除く): 19459724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 5437, 10874, 21748, 27185, 43496, 54370, 86992, 108740, 173984, 217480, 347968, 434960, 695936, 869920, 1391872, 1739840, 2783744, 3479680, 6959360, 13918720]

約数ペア:

[(1, 13918720), (2, 6959360), (4, 3479680), (5, 2783744), (8, 1739840), (10, 1391872), (16, 869920), (20, 695936), (32, 434960), (40, 347968), (64, 217480), (80, 173984), (128, 108740), (160, 86992), (256, 54370), (320, 43496), (512, 27185), (640, 21748), (1280, 10874), (2560, 5437)]