388656560

素因数分解:

$2^4\times 5^1\times {\mathrm{4858207}}^1$

素因数の和:4858220

約数の個数: 20

約数和(自身を含む): 903626688

約数和(自身を除く): 514970128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4858207, 9716414, 19432828, 24291035, 38865656, 48582070, 77731312, 97164140, 194328280, 388656560]

約数ペア:

[(1, 388656560), (2, 194328280), (4, 97164140), (5, 77731312), (8, 48582070), (10, 38865656), (16, 24291035), (20, 19432828), (40, 9716414), (80, 4858207)]