12886400

素因数分解:

$2^7\times 5^2\times {\mathrm{4027}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 31841340

約数和(自身を除く): 18954940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 4027, 8054, 16108, 20135, 32216, 40270, 64432, 80540, 100675, 128864, 161080, 201350, 257728, 322160, 402700, 515456, 644320, 805400, 1288640, 1610800, 2577280, 3221600, 6443200, 12886400]

約数ペア:

[(1, 12886400), (2, 6443200), (4, 3221600), (5, 2577280), (8, 1610800), (10, 1288640), (16, 805400), (20, 644320), (25, 515456), (32, 402700), (40, 322160), (50, 257728), (64, 201350), (80, 161080), (100, 128864), (128, 100675), (160, 80540), (200, 64432), (320, 40270), (400, 32216), (640, 20135), (800, 16108), (1600, 8054), (3200, 4027)]