916888640

素因数分解:

$2^6\times 5^1\times {\mathrm{2865277}}^1$

素因数の和:2865294

約数の個数: 28

約数和(自身を含む): 2183341836

約数和(自身を除く): 1266453196

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 2865277, 5730554, 11461108, 14326385, 22922216, 28652770, 45844432, 57305540, 91688864, 114611080, 183377728, 229222160, 458444320, 916888640]

約数ペア:

[(1, 916888640), (2, 458444320), (4, 229222160), (5, 183377728), (8, 114611080), (10, 91688864), (16, 57305540), (20, 45844432), (32, 28652770), (40, 22922216), (64, 14326385), (80, 11461108), (160, 5730554), (320, 2865277)]