2540170

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1049

約数の個数: 16

約数和(自身を含む): 4591080

約数和(自身を除く): 2050910

約数列:

[1, 2, 5, 10, 389, 653, 778, 1306, 1945, 3265, 3890, 6530, 254017, 508034, 1270085, 2540170]

約数ペア:

[(1, 2540170), (2, 1270085), (5, 508034), (10, 254017), (389, 6530), (653, 3890), (778, 3265), (1306, 1945)]