9904340

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2347}}^1$

素因数の和:2567

約数の個数: 24

約数和(自身を含む): 20906592

約数和(自身を除く): 11002252

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 2347, 4220, 4694, 9388, 11735, 23470, 46940, 495217, 990434, 1980868, 2476085, 4952170, 9904340]

約数ペア:

[(1, 9904340), (2, 4952170), (4, 2476085), (5, 1980868), (10, 990434), (20, 495217), (211, 46940), (422, 23470), (844, 11735), (1055, 9388), (2110, 4694), (2347, 4220)]