26435020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 57647520

約数和(自身を除く): 31212500

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 257, 278, 370, 514, 556, 695, 740, 1028, 1285, 1390, 2570, 2780, 5140, 5143, 9509, 10286, 19018, 20572, 25715, 35723, 38036, 47545, 51430, 71446, 95090, 102860, 142892, 178615, 190180, 357230, 714460, 1321751, 2643502, 5287004, 6608755, 13217510, 26435020]

約数ペア:

[(1, 26435020), (2, 13217510), (4, 6608755), (5, 5287004), (10, 2643502), (20, 1321751), (37, 714460), (74, 357230), (139, 190180), (148, 178615), (185, 142892), (257, 102860), (278, 95090), (370, 71446), (514, 51430), (556, 47545), (695, 38036), (740, 35723), (1028, 25715), (1285, 20572), (1390, 19018), (2570, 10286), (2780, 9509), (5140, 5143)]