16404340

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{1187}}^1$

素因数の和:1887

約数の個数: 24

約数和(自身を含む): 34528032

約数和(自身を除く): 18123692

約数列:

[1, 2, 4, 5, 10, 20, 691, 1187, 1382, 2374, 2764, 3455, 4748, 5935, 6910, 11870, 13820, 23740, 820217, 1640434, 3280868, 4101085, 8202170, 16404340]

約数ペア:

[(1, 16404340), (2, 8202170), (4, 4101085), (5, 3280868), (10, 1640434), (20, 820217), (691, 23740), (1187, 13820), (1382, 11870), (2374, 6910), (2764, 5935), (3455, 4748)]