22660280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 53434080

約数和(自身を除く): 30773800

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 251, 296, 305, 370, 488, 502, 610, 740, 1004, 1220, 1255, 1480, 2008, 2257, 2440, 2510, 4514, 5020, 9028, 9287, 10040, 11285, 15311, 18056, 18574, 22570, 30622, 37148, 45140, 46435, 61244, 74296, 76555, 90280, 92870, 122488, 153110, 185740, 306220, 371480, 566507, 612440, 1133014, 2266028, 2832535, 4532056, 5665070, 11330140, 22660280]

約数ペア:

[(1, 22660280), (2, 11330140), (4, 5665070), (5, 4532056), (8, 2832535), (10, 2266028), (20, 1133014), (37, 612440), (40, 566507), (61, 371480), (74, 306220), (122, 185740), (148, 153110), (185, 122488), (244, 92870), (251, 90280), (296, 76555), (305, 74296), (370, 61244), (488, 46435), (502, 45140), (610, 37148), (740, 30622), (1004, 22570), (1220, 18574), (1255, 18056), (1480, 15311), (2008, 11285), (2257, 10040), (2440, 9287), (2510, 9028), (4514, 5020)]