13227980

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1493}}^1$

素因数の和:1945

約数の個数: 24

約数和(自身を含む): 27860112

約数和(自身を除く): 14632132

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1493, 1772, 2215, 2986, 4430, 5972, 7465, 8860, 14930, 29860, 661399, 1322798, 2645596, 3306995, 6613990, 13227980]

約数ペア:

[(1, 13227980), (2, 6613990), (4, 3306995), (5, 2645596), (10, 1322798), (20, 661399), (443, 29860), (886, 14930), (1493, 8860), (1772, 7465), (2215, 5972), (2986, 4430)]