20162048840

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1052299}}^1$

素因数の和:1052789

約数の個数: 32

約数和(自身を含む): 45459360000

約数和(自身を除く): 25297311160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 1052299, 2104598, 4209196, 5261495, 8418392, 10522990, 21045980, 42091960, 504051221, 1008102442, 2016204884, 2520256105, 4032409768, 5040512210, 10081024420, 20162048840]

約数ペア:

[(1, 20162048840), (2, 10081024420), (4, 5040512210), (5, 4032409768), (8, 2520256105), (10, 2016204884), (20, 1008102442), (40, 504051221), (479, 42091960), (958, 21045980), (1916, 10522990), (2395, 8418392), (3832, 5261495), (4790, 4209196), (9580, 2104598), (19160, 1052299)]