1345180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 2856672

約数和(自身を除く): 1511492

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 653, 1030, 1306, 2060, 2612, 3265, 6530, 13060, 67259, 134518, 269036, 336295, 672590, 1345180]

約数ペア:

[(1, 1345180), (2, 672590), (4, 336295), (5, 269036), (10, 134518), (20, 67259), (103, 13060), (206, 6530), (412, 3265), (515, 2612), (653, 2060), (1030, 1306)]