8380340

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1879}}^1$

素因数の和:2111

約数の個数: 24

約数和(自身を含む): 17687040

約数和(自身を除く): 9306700

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1879, 2230, 3758, 4460, 7516, 9395, 18790, 37580, 419017, 838034, 1676068, 2095085, 4190170, 8380340]

約数ペア:

[(1, 8380340), (2, 4190170), (4, 2095085), (5, 1676068), (10, 838034), (20, 419017), (223, 37580), (446, 18790), (892, 9395), (1115, 7516), (1879, 4460), (2230, 3758)]