31448240

素因数分解:

$2^4\times 5^1\times {\mathrm{393103}}^1$

素因数の和:393116

約数の個数: 20

約数和(自身を含む): 73117344

約数和(自身を除く): 41669104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393103, 786206, 1572412, 1965515, 3144824, 3931030, 6289648, 7862060, 15724120, 31448240]

約数ペア:

[(1, 31448240), (2, 15724120), (4, 7862060), (5, 6289648), (8, 3931030), (10, 3144824), (16, 1965515), (20, 1572412), (40, 786206), (80, 393103)]