4921250

素因数分解:

$2^1\times 5^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:180

約数の個数: 40

約数和(自身を含む): 9596928

約数和(自身を除く): 4675678

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 127, 155, 250, 254, 310, 625, 635, 775, 1250, 1270, 1550, 3175, 3875, 3937, 6350, 7750, 7874, 15875, 19375, 19685, 31750, 38750, 39370, 79375, 98425, 158750, 196850, 492125, 984250, 2460625, 4921250]

約数ペア:

[(1, 4921250), (2, 2460625), (5, 984250), (10, 492125), (25, 196850), (31, 158750), (50, 98425), (62, 79375), (125, 39370), (127, 38750), (155, 31750), (250, 19685), (254, 19375), (310, 15875), (625, 7874), (635, 7750), (775, 6350), (1250, 3937), (1270, 3875), (1550, 3175)]