56185340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{643}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 125610912

約数和(自身を除く): 69425572

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 257, 340, 514, 643, 1028, 1285, 1286, 2570, 2572, 3215, 4369, 5140, 6430, 8738, 10931, 12860, 17476, 21845, 21862, 43690, 43724, 54655, 87380, 109310, 165251, 218620, 330502, 661004, 826255, 1652510, 2809267, 3305020, 5618534, 11237068, 14046335, 28092670, 56185340]

約数ペア:

[(1, 56185340), (2, 28092670), (4, 14046335), (5, 11237068), (10, 5618534), (17, 3305020), (20, 2809267), (34, 1652510), (68, 826255), (85, 661004), (170, 330502), (257, 218620), (340, 165251), (514, 109310), (643, 87380), (1028, 54655), (1285, 43724), (1286, 43690), (2570, 21862), (2572, 21845), (3215, 17476), (4369, 12860), (5140, 10931), (6430, 8738)]