130241840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{37861}}^1$

素因数の和:37917

約数の個数: 40

約数和(自身を含む): 309862608

約数和(自身を除く): 179620768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 37861, 75722, 151444, 189305, 302888, 378610, 605776, 757220, 1514440, 1628023, 3028880, 3256046, 6512092, 8140115, 13024184, 16280230, 26048368, 32560460, 65120920, 130241840]

約数ペア:

[(1, 130241840), (2, 65120920), (4, 32560460), (5, 26048368), (8, 16280230), (10, 13024184), (16, 8140115), (20, 6512092), (40, 3256046), (43, 3028880), (80, 1628023), (86, 1514440), (172, 757220), (215, 605776), (344, 378610), (430, 302888), (688, 189305), (860, 151444), (1720, 75722), (3440, 37861)]