30820340

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1877}}^1$

素因数の和:2707

約数の個数: 24

約数和(自身を含む): 64836072

約数和(自身を除く): 34015732

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 1877, 3284, 3754, 4105, 7508, 8210, 9385, 16420, 18770, 37540, 1541017, 3082034, 6164068, 7705085, 15410170, 30820340]

約数ペア:

[(1, 30820340), (2, 15410170), (4, 7705085), (5, 6164068), (10, 3082034), (20, 1541017), (821, 37540), (1642, 18770), (1877, 16420), (3284, 9385), (3754, 8210), (4105, 7508)]