25131775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 33110480

約数和(自身を除く): 7978705

約数列:

[1, 5, 19, 25, 95, 157, 337, 475, 785, 1685, 2983, 3925, 6403, 8425, 14915, 32015, 52909, 74575, 160075, 264545, 1005271, 1322725, 5026355, 25131775]

約数ペア:

[(1, 25131775), (5, 5026355), (19, 1322725), (25, 1005271), (95, 264545), (157, 160075), (337, 74575), (475, 52909), (785, 32015), (1685, 14915), (2983, 8425), (3925, 6403)]