105750871280

素因数分解:

$2^4\times 5^1\times {\mathrm{1321885891}}^1$

素因数の和:1321885904

約数の個数: 20

約数和(自身を含む): 245870775912

約数和(自身を除く): 140119904632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1321885891, 2643771782, 5287543564, 6609429455, 10575087128, 13218858910, 21150174256, 26437717820, 52875435640, 105750871280]

約数ペア:

[(1, 105750871280), (2, 52875435640), (4, 26437717820), (5, 21150174256), (8, 13218858910), (10, 10575087128), (16, 6609429455), (20, 5287543564), (40, 2643771782), (80, 1321885891)]