27378980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 59545584

約数和(自身を除く): 32166604

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 173, 193, 205, 346, 386, 410, 692, 772, 820, 865, 965, 1730, 1930, 3460, 3860, 7093, 7913, 14186, 15826, 28372, 31652, 33389, 35465, 39565, 66778, 70930, 79130, 133556, 141860, 158260, 166945, 333890, 667780, 1368949, 2737898, 5475796, 6844745, 13689490, 27378980]

約数ペア:

[(1, 27378980), (2, 13689490), (4, 6844745), (5, 5475796), (10, 2737898), (20, 1368949), (41, 667780), (82, 333890), (164, 166945), (173, 158260), (193, 141860), (205, 133556), (346, 79130), (386, 70930), (410, 66778), (692, 39565), (772, 35465), (820, 33389), (865, 31652), (965, 28372), (1730, 15826), (1930, 14186), (3460, 7913), (3860, 7093)]