256250825

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 322776960

約数和(自身を除く): 66526135

約数列:

[1, 5, 25, 109, 271, 347, 545, 1355, 1735, 2725, 6775, 8675, 29539, 37823, 94037, 147695, 189115, 470185, 738475, 945575, 2350925, 10250033, 51250165, 256250825]

約数ペア:

[(1, 256250825), (5, 51250165), (25, 10250033), (109, 2350925), (271, 945575), (347, 738475), (545, 470185), (1355, 189115), (1735, 147695), (2725, 94037), (6775, 37823), (8675, 29539)]