40720712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{299417}}^1$

素因数の和:299440

約数の個数: 16

約数和(自身を含む): 80842860

約数和(自身を除く): 40122148

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 299417, 598834, 1197668, 2395336, 5090089, 10180178, 20360356, 40720712]

約数ペア:

[(1, 40720712), (2, 20360356), (4, 10180178), (8, 5090089), (17, 2395336), (34, 1197668), (68, 598834), (136, 299417)]