39380120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75731}}^1$

素因数の和:75755

約数の個数: 32

約数和(自身を含む): 95422320

約数和(自身を除く): 56042200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 75731, 151462, 302924, 378655, 605848, 757310, 984503, 1514620, 1969006, 3029240, 3938012, 4922515, 7876024, 9845030, 19690060, 39380120]

約数ペア:

[(1, 39380120), (2, 19690060), (4, 9845030), (5, 7876024), (8, 4922515), (10, 3938012), (13, 3029240), (20, 1969006), (26, 1514620), (40, 984503), (52, 757310), (65, 605848), (104, 378655), (130, 302924), (260, 151462), (520, 75731)]