30840725

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 8531755

約数列:

[1, 5, 25, 83, 89, 167, 415, 445, 835, 2075, 2225, 4175, 7387, 13861, 14863, 36935, 69305, 74315, 184675, 346525, 371575, 1233629, 6168145, 30840725]

約数ペア:

[(1, 30840725), (5, 6168145), (25, 1233629), (83, 371575), (89, 346525), (167, 184675), (415, 74315), (445, 69305), (835, 36935), (2075, 14863), (2225, 13861), (4175, 7387)]