51818225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 70419600

約数和(自身を除く): 18601375

約数列:

[1, 5, 19, 25, 43, 59, 95, 215, 295, 475, 817, 1075, 1121, 1475, 1849, 2537, 4085, 5605, 9245, 12685, 20425, 28025, 35131, 46225, 48203, 63425, 109091, 175655, 241015, 545455, 878275, 1205075, 2072729, 2727275, 10363645, 51818225]

約数ペア:

[(1, 51818225), (5, 10363645), (19, 2727275), (25, 2072729), (43, 1205075), (59, 878275), (95, 545455), (215, 241015), (295, 175655), (475, 109091), (817, 63425), (1075, 48203), (1121, 46225), (1475, 35131), (1849, 28025), (2537, 20425), (4085, 12685), (5605, 9245)]