55378280

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2531}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 124878240

約数和(自身を除く): 69499960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 1094, 2188, 2531, 2735, 4376, 5062, 5470, 10124, 10940, 12655, 20248, 21880, 25310, 50620, 101240, 1384457, 2768914, 5537828, 6922285, 11075656, 13844570, 27689140, 55378280]

約数ペア:

[(1, 55378280), (2, 27689140), (4, 13844570), (5, 11075656), (8, 6922285), (10, 5537828), (20, 2768914), (40, 1384457), (547, 101240), (1094, 50620), (2188, 25310), (2531, 21880), (2735, 20248), (4376, 12655), (5062, 10940), (5470, 10124)]