8439620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 21143808

約数和(自身を除く): 12704188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2621, 3220, 5242, 10484, 13105, 18347, 26210, 36694, 52420, 60283, 73388, 91735, 120566, 183470, 241132, 301415, 366940, 421981, 602830, 843962, 1205660, 1687924, 2109905, 4219810, 8439620]

約数ペア:

[(1, 8439620), (2, 4219810), (4, 2109905), (5, 1687924), (7, 1205660), (10, 843962), (14, 602830), (20, 421981), (23, 366940), (28, 301415), (35, 241132), (46, 183470), (70, 120566), (92, 91735), (115, 73388), (140, 60283), (161, 52420), (230, 36694), (322, 26210), (460, 18347), (644, 13105), (805, 10484), (1610, 5242), (2621, 3220)]