51761680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:464

約数の個数: 80

約数和(自身を含む): 126491904

約数和(自身を除く): 74730224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 43, 80, 82, 86, 164, 172, 205, 215, 328, 344, 367, 410, 430, 656, 688, 734, 820, 860, 1468, 1640, 1720, 1763, 1835, 2936, 3280, 3440, 3526, 3670, 5872, 7052, 7340, 8815, 14104, 14680, 15047, 15781, 17630, 28208, 29360, 30094, 31562, 35260, 60188, 63124, 70520, 75235, 78905, 120376, 126248, 141040, 150470, 157810, 240752, 252496, 300940, 315620, 601880, 631240, 647021, 1203760, 1262480, 1294042, 2588084, 3235105, 5176168, 6470210, 10352336, 12940420, 25880840, 51761680]

約数ペア:

[(1, 51761680), (2, 25880840), (4, 12940420), (5, 10352336), (8, 6470210), (10, 5176168), (16, 3235105), (20, 2588084), (40, 1294042), (41, 1262480), (43, 1203760), (80, 647021), (82, 631240), (86, 601880), (164, 315620), (172, 300940), (205, 252496), (215, 240752), (328, 157810), (344, 150470), (367, 141040), (410, 126248), (430, 120376), (656, 78905), (688, 75235), (734, 70520), (820, 63124), (860, 60188), (1468, 35260), (1640, 31562), (1720, 30094), (1763, 29360), (1835, 28208), (2936, 17630), (3280, 15781), (3440, 15047), (3526, 14680), (3670, 14104), (5872, 8815), (7052, 7340)]