6438260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3617}}^1$

素因数の和:3715

約数の個数: 24

約数和(自身を含む): 13676040

約数和(自身を除く): 7237780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 3617, 7234, 14468, 18085, 36170, 72340, 321913, 643826, 1287652, 1609565, 3219130, 6438260]

約数ペア:

[(1, 6438260), (2, 3219130), (4, 1609565), (5, 1287652), (10, 643826), (20, 321913), (89, 72340), (178, 36170), (356, 18085), (445, 14468), (890, 7234), (1780, 3617)]