68405920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38867}}^1$

素因数の和:38893

約数の個数: 48

約数和(自身を含む): 176305248

約数和(自身を除く): 107899328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 38867, 77734, 155468, 194335, 310936, 388670, 427537, 621872, 777340, 855074, 1243744, 1554680, 1710148, 2137685, 3109360, 3420296, 4275370, 6218720, 6840592, 8550740, 13681184, 17101480, 34202960, 68405920]

約数ペア:

[(1, 68405920), (2, 34202960), (4, 17101480), (5, 13681184), (8, 8550740), (10, 6840592), (11, 6218720), (16, 4275370), (20, 3420296), (22, 3109360), (32, 2137685), (40, 1710148), (44, 1554680), (55, 1243744), (80, 855074), (88, 777340), (110, 621872), (160, 427537), (176, 388670), (220, 310936), (352, 194335), (440, 155468), (880, 77734), (1760, 38867)]