256379825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41519}}^1$

素因数の和:41561

約数の個数: 24

約数和(自身を含む): 360393600

約数和(自身を除く): 104013775

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 6175, 41519, 207595, 539747, 788861, 1037975, 2698735, 3944305, 10255193, 13493675, 19721525, 51275965, 256379825]

約数ペア:

[(1, 256379825), (5, 51275965), (13, 19721525), (19, 13493675), (25, 10255193), (65, 3944305), (95, 2698735), (247, 1037975), (325, 788861), (475, 539747), (1235, 207595), (6175, 41519)]