12916400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{659}}^1$

素因数の和:691

約数の個数: 90

約数和(自身を含む): 36152820

約数和(自身を除く): 23236420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 659, 700, 784, 980, 1225, 1318, 1400, 1960, 2450, 2636, 2800, 3295, 3920, 4613, 4900, 5272, 6590, 9226, 9800, 10544, 13180, 16475, 18452, 19600, 23065, 26360, 32291, 32950, 36904, 46130, 52720, 64582, 65900, 73808, 92260, 115325, 129164, 131800, 161455, 184520, 230650, 258328, 263600, 322910, 369040, 461300, 516656, 645820, 807275, 922600, 1291640, 1614550, 1845200, 2583280, 3229100, 6458200, 12916400]

約数ペア:

[(1, 12916400), (2, 6458200), (4, 3229100), (5, 2583280), (7, 1845200), (8, 1614550), (10, 1291640), (14, 922600), (16, 807275), (20, 645820), (25, 516656), (28, 461300), (35, 369040), (40, 322910), (49, 263600), (50, 258328), (56, 230650), (70, 184520), (80, 161455), (98, 131800), (100, 129164), (112, 115325), (140, 92260), (175, 73808), (196, 65900), (200, 64582), (245, 52720), (280, 46130), (350, 36904), (392, 32950), (400, 32291), (490, 26360), (560, 23065), (659, 19600), (700, 18452), (784, 16475), (980, 13180), (1225, 10544), (1318, 9800), (1400, 9226), (1960, 6590), (2450, 5272), (2636, 4900), (2800, 4613), (3295, 3920)]