30961360

素因数分解:

$2^4\times 5^1\times {\mathrm{387017}}^1$

素因数の和:387030

約数の個数: 20

約数和(自身を含む): 71985348

約数和(自身を除く): 41023988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 387017, 774034, 1548068, 1935085, 3096136, 3870170, 6192272, 7740340, 15480680, 30961360]

約数ペア:

[(1, 30961360), (2, 15480680), (4, 7740340), (5, 6192272), (8, 3870170), (10, 3096136), (16, 1935085), (20, 1548068), (40, 774034), (80, 387017)]