51691160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 122078880

約数和(自身を除く): 70387720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 733, 820, 860, 1466, 1640, 1720, 1763, 2932, 3526, 3665, 5864, 7052, 7330, 8815, 14104, 14660, 17630, 29320, 30053, 31519, 35260, 60106, 63038, 70520, 120212, 126076, 150265, 157595, 240424, 252152, 300530, 315190, 601060, 630380, 1202120, 1260760, 1292279, 2584558, 5169116, 6461395, 10338232, 12922790, 25845580, 51691160]

約数ペア:

[(1, 51691160), (2, 25845580), (4, 12922790), (5, 10338232), (8, 6461395), (10, 5169116), (20, 2584558), (40, 1292279), (41, 1260760), (43, 1202120), (82, 630380), (86, 601060), (164, 315190), (172, 300530), (205, 252152), (215, 240424), (328, 157595), (344, 150265), (410, 126076), (430, 120212), (733, 70520), (820, 63038), (860, 60106), (1466, 35260), (1640, 31519), (1720, 30053), (1763, 29320), (2932, 17630), (3526, 14660), (3665, 14104), (5864, 8815), (7052, 7330)]