1038020125

素因数分解:

$5^3\times {\mathrm{419}}^1\times {\mathrm{19819}}^1$

素因数の和:20253

約数の個数: 16

約数和(自身を含む): 1298606400

約数和(自身を除く): 260586275

約数列:

[1, 5, 25, 125, 419, 2095, 10475, 19819, 52375, 99095, 495475, 2477375, 8304161, 41520805, 207604025, 1038020125]

約数ペア:

[(1, 1038020125), (5, 207604025), (25, 41520805), (125, 8304161), (419, 2477375), (2095, 495475), (10475, 99095), (19819, 52375)]