31920545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2176

約数の個数: 16

約数和(自身を含む): 39951360

約数和(自身を除く): 8030815

約数列:

[1, 5, 31, 101, 155, 505, 2039, 3131, 10195, 15655, 63209, 205939, 316045, 1029695, 6384109, 31920545]

約数ペア:

[(1, 31920545), (5, 6384109), (31, 1029695), (101, 316045), (155, 205939), (505, 63209), (2039, 15655), (3131, 10195)]