16640854780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1609367}}^1$

素因数の和:1609434

約数の個数: 48

約数和(自身を含む): 38933830656

約数和(自身を除く): 22292975876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 1609367, 3218734, 6437468, 8046835, 16093670, 17703037, 32187340, 35406074, 70812148, 75640249, 88515185, 151280498, 177030370, 302560996, 354060740, 378201245, 756402490, 832042739, 1512804980, 1664085478, 3328170956, 4160213695, 8320427390, 16640854780]

約数ペア:

[(1, 16640854780), (2, 8320427390), (4, 4160213695), (5, 3328170956), (10, 1664085478), (11, 1512804980), (20, 832042739), (22, 756402490), (44, 378201245), (47, 354060740), (55, 302560996), (94, 177030370), (110, 151280498), (188, 88515185), (220, 75640249), (235, 70812148), (470, 35406074), (517, 32187340), (940, 17703037), (1034, 16093670), (2068, 8046835), (2585, 6437468), (5170, 3218734), (10340, 1609367)]