12928970

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{2017}}^1$

素因数の和:2665

約数の個数: 16

約数和(自身を含む): 23320008

約数和(自身を除く): 10391038

約数列:

[1, 2, 5, 10, 641, 1282, 2017, 3205, 4034, 6410, 10085, 20170, 1292897, 2585794, 6464485, 12928970]

約数ペア:

[(1, 12928970), (2, 6464485), (5, 2585794), (10, 1292897), (641, 20170), (1282, 10085), (2017, 6410), (3205, 4034)]