80817790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{102301}}^1$

素因数の和:102387

約数の個数: 16

約数和(自身を含む): 147314880

約数和(自身を除く): 66497090

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 102301, 204602, 511505, 1023010, 8081779, 16163558, 40408895, 80817790]

約数ペア:

[(1, 80817790), (2, 40408895), (5, 16163558), (10, 8081779), (79, 1023010), (158, 511505), (395, 204602), (790, 102301)]