8888780

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1993}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 18759552

約数和(自身を除く): 9870772

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 1993, 2230, 3986, 4460, 7972, 9965, 19930, 39860, 444439, 888878, 1777756, 2222195, 4444390, 8888780]

約数ペア:

[(1, 8888780), (2, 4444390), (4, 2222195), (5, 1777756), (10, 888878), (20, 444439), (223, 39860), (446, 19930), (892, 9965), (1115, 7972), (1993, 4460), (2230, 3986)]