49212500

素因数分解:

$2^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 111992832

約数和(自身を除く): 62780332

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 127, 155, 250, 254, 310, 500, 508, 620, 625, 635, 775, 1250, 1270, 1550, 2500, 2540, 3100, 3125, 3175, 3875, 3937, 6250, 6350, 7750, 7874, 12500, 12700, 15500, 15748, 15875, 19375, 19685, 31750, 38750, 39370, 63500, 77500, 78740, 79375, 96875, 98425, 158750, 193750, 196850, 317500, 387500, 393700, 396875, 492125, 793750, 984250, 1587500, 1968500, 2460625, 4921250, 9842500, 12303125, 24606250, 49212500]

約数ペア:

[(1, 49212500), (2, 24606250), (4, 12303125), (5, 9842500), (10, 4921250), (20, 2460625), (25, 1968500), (31, 1587500), (50, 984250), (62, 793750), (100, 492125), (124, 396875), (125, 393700), (127, 387500), (155, 317500), (250, 196850), (254, 193750), (310, 158750), (500, 98425), (508, 96875), (620, 79375), (625, 78740), (635, 77500), (775, 63500), (1250, 39370), (1270, 38750), (1550, 31750), (2500, 19685), (2540, 19375), (3100, 15875), (3125, 15748), (3175, 15500), (3875, 12700), (3937, 12500), (6250, 7874), (6350, 7750)]