121681360

素因数分解:

$2^4\times 5^1\times {\mathrm{1521017}}^1$

素因数の和:1521030

約数の個数: 20

約数和(自身を含む): 282909348

約数和(自身を除く): 161227988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1521017, 3042034, 6084068, 7605085, 12168136, 15210170, 24336272, 30420340, 60840680, 121681360]

約数ペア:

[(1, 121681360), (2, 60840680), (4, 30420340), (5, 24336272), (8, 15210170), (10, 12168136), (16, 7605085), (20, 6084068), (40, 3042034), (80, 1521017)]