72576880

素因数分解:

$2^4\times 5^1\times {\mathrm{907211}}^1$

素因数の和:907224

約数の個数: 20

約数和(自身を含む): 168741432

約数和(自身を除く): 96164552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 907211, 1814422, 3628844, 4536055, 7257688, 9072110, 14515376, 18144220, 36288440, 72576880]

約数ペア:

[(1, 72576880), (2, 36288440), (4, 18144220), (5, 14515376), (8, 9072110), (10, 7257688), (16, 4536055), (20, 3628844), (40, 1814422), (80, 907211)]