54648280

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3407}}^1$

素因数の和:3819

約数の個数: 32

約数和(自身を含む): 123301440

約数和(自身を除く): 68653160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3407, 4010, 6814, 8020, 13628, 16040, 17035, 27256, 34070, 68140, 136280, 1366207, 2732414, 5464828, 6831035, 10929656, 13662070, 27324140, 54648280]

約数ペア:

[(1, 54648280), (2, 27324140), (4, 13662070), (5, 10929656), (8, 6831035), (10, 5464828), (20, 2732414), (40, 1366207), (401, 136280), (802, 68140), (1604, 34070), (2005, 27256), (3208, 17035), (3407, 16040), (4010, 13628), (6814, 8020)]