55336880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16871}}^1$

素因数の和:16925

約数の個数: 40

約数和(自身を含む): 131804064

約数和(自身を除く): 76467184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16871, 33742, 67484, 84355, 134968, 168710, 269936, 337420, 674840, 691711, 1349680, 1383422, 2766844, 3458555, 5533688, 6917110, 11067376, 13834220, 27668440, 55336880]

約数ペア:

[(1, 55336880), (2, 27668440), (4, 13834220), (5, 11067376), (8, 6917110), (10, 5533688), (16, 3458555), (20, 2766844), (40, 1383422), (41, 1349680), (80, 691711), (82, 674840), (164, 337420), (205, 269936), (328, 168710), (410, 134968), (656, 84355), (820, 67484), (1640, 33742), (3280, 16871)]