4081990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{863}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 8211456

約数和(自身を除く): 4129466

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 863, 946, 1726, 2365, 4315, 4730, 8630, 9493, 18986, 37109, 47465, 74218, 94930, 185545, 371090, 408199, 816398, 2040995, 4081990]

約数ペア:

[(1, 4081990), (2, 2040995), (5, 816398), (10, 408199), (11, 371090), (22, 185545), (43, 94930), (55, 74218), (86, 47465), (110, 37109), (215, 18986), (430, 9493), (473, 8630), (863, 4730), (946, 4315), (1726, 2365)]