2103168920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{199921}}^1$

素因数の和:200195

約数の個数: 32

約数和(自身を含む): 4750146720

約数和(自身を除く): 2646977800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 199921, 399842, 799684, 999605, 1599368, 1999210, 3998420, 7996840, 52579223, 105158446, 210316892, 262896115, 420633784, 525792230, 1051584460, 2103168920]

約数ペア:

[(1, 2103168920), (2, 1051584460), (4, 525792230), (5, 420633784), (8, 262896115), (10, 210316892), (20, 105158446), (40, 52579223), (263, 7996840), (526, 3998420), (1052, 1999210), (1315, 1599368), (2104, 999605), (2630, 799684), (5260, 399842), (10520, 199921)]