6640490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15443}}^1$

素因数の和:15493

約数の個数: 16

約数和(自身を含む): 12231648

約数和(自身を除く): 5591158

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 15443, 30886, 77215, 154430, 664049, 1328098, 3320245, 6640490]

約数ペア:

[(1, 6640490), (2, 3320245), (5, 1328098), (10, 664049), (43, 154430), (86, 77215), (215, 30886), (430, 15443)]