205657010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15359}}^1$

素因数の和:15482

約数の個数: 32

約数和(自身を含む): 402554880

約数和(自身を除く): 196897870

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2678, 6695, 13390, 15359, 30718, 76795, 153590, 199667, 399334, 998335, 1581977, 1996670, 3163954, 7909885, 15819770, 20565701, 41131402, 102828505, 205657010]

約数ペア:

[(1, 205657010), (2, 102828505), (5, 41131402), (10, 20565701), (13, 15819770), (26, 7909885), (65, 3163954), (103, 1996670), (130, 1581977), (206, 998335), (515, 399334), (1030, 199667), (1339, 153590), (2678, 76795), (6695, 30718), (13390, 15359)]