51201680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27827}}^1$

素因数の和:27863

約数の個数: 40

約数和(自身を含む): 124224192

約数和(自身を除く): 73022512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 27827, 55654, 111308, 139135, 222616, 278270, 445232, 556540, 640021, 1113080, 1280042, 2226160, 2560084, 3200105, 5120168, 6400210, 10240336, 12800420, 25600840, 51201680]

約数ペア:

[(1, 51201680), (2, 25600840), (4, 12800420), (5, 10240336), (8, 6400210), (10, 5120168), (16, 3200105), (20, 2560084), (23, 2226160), (40, 1280042), (46, 1113080), (80, 640021), (92, 556540), (115, 445232), (184, 278270), (230, 222616), (368, 139135), (460, 111308), (920, 55654), (1840, 27827)]