8870900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2120

約数の個数: 36

約数和(自身を含む): 19707072

約数和(自身を除く): 10836172

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2063, 2150, 4126, 4300, 8252, 10315, 20630, 41260, 51575, 88709, 103150, 177418, 206300, 354836, 443545, 887090, 1774180, 2217725, 4435450, 8870900]

約数ペア:

[(1, 8870900), (2, 4435450), (4, 2217725), (5, 1774180), (10, 887090), (20, 443545), (25, 354836), (43, 206300), (50, 177418), (86, 103150), (100, 88709), (172, 51575), (215, 41260), (430, 20630), (860, 10315), (1075, 8252), (2063, 4300), (2150, 4126)]