91284040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{55661}}^1$

素因数の和:55713

約数の個数: 32

約数和(自身を含む): 210402360

約数和(自身を除く): 119118320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 55661, 111322, 222644, 278305, 445288, 556610, 1113220, 2226440, 2282101, 4564202, 9128404, 11410505, 18256808, 22821010, 45642020, 91284040]

約数ペア:

[(1, 91284040), (2, 45642020), (4, 22821010), (5, 18256808), (8, 11410505), (10, 9128404), (20, 4564202), (40, 2282101), (41, 2226440), (82, 1113220), (164, 556610), (205, 445288), (328, 278305), (410, 222644), (820, 111322), (1640, 55661)]