12771500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 33022080

約数和(自身を除く): 20250580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 50, 70, 82, 89, 100, 125, 140, 164, 175, 178, 205, 250, 287, 350, 356, 410, 445, 500, 574, 623, 700, 820, 875, 890, 1025, 1148, 1246, 1435, 1750, 1780, 2050, 2225, 2492, 2870, 3115, 3500, 3649, 4100, 4450, 5125, 5740, 6230, 7175, 7298, 8900, 10250, 11125, 12460, 14350, 14596, 15575, 18245, 20500, 22250, 25543, 28700, 31150, 35875, 36490, 44500, 51086, 62300, 71750, 72980, 77875, 91225, 102172, 127715, 143500, 155750, 182450, 255430, 311500, 364900, 456125, 510860, 638575, 912250, 1277150, 1824500, 2554300, 3192875, 6385750, 12771500]

約数ペア:

[(1, 12771500), (2, 6385750), (4, 3192875), (5, 2554300), (7, 1824500), (10, 1277150), (14, 912250), (20, 638575), (25, 510860), (28, 456125), (35, 364900), (41, 311500), (50, 255430), (70, 182450), (82, 155750), (89, 143500), (100, 127715), (125, 102172), (140, 91225), (164, 77875), (175, 72980), (178, 71750), (205, 62300), (250, 51086), (287, 44500), (350, 36490), (356, 35875), (410, 31150), (445, 28700), (500, 25543), (574, 22250), (623, 20500), (700, 18245), (820, 15575), (875, 14596), (890, 14350), (1025, 12460), (1148, 11125), (1246, 10250), (1435, 8900), (1750, 7298), (1780, 7175), (2050, 6230), (2225, 5740), (2492, 5125), (2870, 4450), (3115, 4100), (3500, 3649)]