12054620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 26345088

約数和(自身を除く): 14290468

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 131, 172, 214, 215, 262, 428, 430, 524, 535, 655, 860, 1070, 1310, 2140, 2620, 4601, 5633, 9202, 11266, 14017, 18404, 22532, 23005, 28034, 28165, 46010, 56068, 56330, 70085, 92020, 112660, 140170, 280340, 602731, 1205462, 2410924, 3013655, 6027310, 12054620]

約数ペア:

[(1, 12054620), (2, 6027310), (4, 3013655), (5, 2410924), (10, 1205462), (20, 602731), (43, 280340), (86, 140170), (107, 112660), (131, 92020), (172, 70085), (214, 56330), (215, 56068), (262, 46010), (428, 28165), (430, 28034), (524, 23005), (535, 22532), (655, 18404), (860, 14017), (1070, 11266), (1310, 9202), (2140, 5633), (2620, 4601)]