12529840

素因数分解:

$2^4\times 5^1\times {\mathrm{156623}}^1$

素因数の和:156636

約数の個数: 20

約数和(自身を含む): 29132064

約数和(自身を除く): 16602224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 156623, 313246, 626492, 783115, 1252984, 1566230, 2505968, 3132460, 6264920, 12529840]

約数ペア:

[(1, 12529840), (2, 6264920), (4, 3132460), (5, 2505968), (8, 1566230), (10, 1252984), (16, 783115), (20, 626492), (40, 313246), (80, 156623)]