40419704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{388651}}^1$

素因数の和:388670

約数の個数: 16

約数和(自身を含む): 81616920

約数和(自身を除く): 41197216

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 388651, 777302, 1554604, 3109208, 5052463, 10104926, 20209852, 40419704]

約数ペア:

[(1, 40419704), (2, 20209852), (4, 10104926), (8, 5052463), (13, 3109208), (26, 1554604), (52, 777302), (104, 388651)]