66023620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{253937}}^1$

素因数の和:253959

約数の個数: 24

約数和(自身を含む): 149315544

約数和(自身を除く): 83291924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 253937, 507874, 1015748, 1269685, 2539370, 3301181, 5078740, 6602362, 13204724, 16505905, 33011810, 66023620]

約数ペア:

[(1, 66023620), (2, 33011810), (4, 16505905), (5, 13204724), (10, 6602362), (13, 5078740), (20, 3301181), (26, 2539370), (52, 1269685), (65, 1015748), (130, 507874), (260, 253937)]