71172040

素因数分解:

$2^3\times 5^1\times {\mathrm{1779301}}^1$

素因数の和:1779312

約数の個数: 16

約数和(自身を含む): 160137180

約数和(自身を除く): 88965140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1779301, 3558602, 7117204, 8896505, 14234408, 17793010, 35586020, 71172040]

約数ペア:

[(1, 71172040), (2, 35586020), (4, 17793010), (5, 14234408), (8, 8896505), (10, 7117204), (20, 3558602), (40, 1779301)]