39647390

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{15427}}^1$

素因数の和:15691

約数の個数: 16

約数和(自身を含む): 71647632

約数和(自身を除く): 32000242

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 15427, 30854, 77135, 154270, 3964739, 7929478, 19823695, 39647390]

約数ペア:

[(1, 39647390), (2, 19823695), (5, 7929478), (10, 3964739), (257, 154270), (514, 77135), (1285, 30854), (2570, 15427)]