51274000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{827}}^1$

素因数の和:881

約数の個数: 80

約数和(自身を含む): 128134656

約数和(自身を除く): 76860656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 827, 1000, 1240, 1550, 1654, 2000, 2480, 3100, 3308, 3875, 4135, 6200, 6616, 7750, 8270, 12400, 13232, 15500, 16540, 20675, 25637, 31000, 33080, 41350, 51274, 62000, 66160, 82700, 102548, 103375, 128185, 165400, 205096, 206750, 256370, 330800, 410192, 413500, 512740, 640925, 827000, 1025480, 1281850, 1654000, 2050960, 2563700, 3204625, 5127400, 6409250, 10254800, 12818500, 25637000, 51274000]

約数ペア:

[(1, 51274000), (2, 25637000), (4, 12818500), (5, 10254800), (8, 6409250), (10, 5127400), (16, 3204625), (20, 2563700), (25, 2050960), (31, 1654000), (40, 1281850), (50, 1025480), (62, 827000), (80, 640925), (100, 512740), (124, 413500), (125, 410192), (155, 330800), (200, 256370), (248, 206750), (250, 205096), (310, 165400), (400, 128185), (496, 103375), (500, 102548), (620, 82700), (775, 66160), (827, 62000), (1000, 51274), (1240, 41350), (1550, 33080), (1654, 31000), (2000, 25637), (2480, 20675), (3100, 16540), (3308, 15500), (3875, 13232), (4135, 12400), (6200, 8270), (6616, 7750)]