15752620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1474

約数の個数: 48

約数和(自身を含む): 36479520

約数和(自身を除く): 20726900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1409, 2236, 2795, 2818, 5590, 5636, 7045, 11180, 14090, 18317, 28180, 36634, 60587, 73268, 91585, 121174, 183170, 242348, 302935, 366340, 605870, 787631, 1211740, 1575262, 3150524, 3938155, 7876310, 15752620]

約数ペア:

[(1, 15752620), (2, 7876310), (4, 3938155), (5, 3150524), (10, 1575262), (13, 1211740), (20, 787631), (26, 605870), (43, 366340), (52, 302935), (65, 242348), (86, 183170), (130, 121174), (172, 91585), (215, 73268), (260, 60587), (430, 36634), (559, 28180), (860, 18317), (1118, 14090), (1409, 11180), (2236, 7045), (2795, 5636), (2818, 5590)]