52870040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 123530400

約数和(自身を除く): 70660360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 139, 148, 185, 257, 278, 296, 370, 514, 556, 695, 740, 1028, 1112, 1285, 1390, 1480, 2056, 2570, 2780, 5140, 5143, 5560, 9509, 10280, 10286, 19018, 20572, 25715, 35723, 38036, 41144, 47545, 51430, 71446, 76072, 95090, 102860, 142892, 178615, 190180, 205720, 285784, 357230, 380360, 714460, 1321751, 1428920, 2643502, 5287004, 6608755, 10574008, 13217510, 26435020, 52870040]

約数ペア:

[(1, 52870040), (2, 26435020), (4, 13217510), (5, 10574008), (8, 6608755), (10, 5287004), (20, 2643502), (37, 1428920), (40, 1321751), (74, 714460), (139, 380360), (148, 357230), (185, 285784), (257, 205720), (278, 190180), (296, 178615), (370, 142892), (514, 102860), (556, 95090), (695, 76072), (740, 71446), (1028, 51430), (1112, 47545), (1285, 41144), (1390, 38036), (1480, 35723), (2056, 25715), (2570, 20572), (2780, 19018), (5140, 10286), (5143, 10280), (5560, 9509)]