2080364680

素因数分解:

$2^3\times 5^1\times {\mathrm{11087}}^1\times {\mathrm{4691}}^1$

素因数の和:15789

約数の個数: 32

約数和(自身を含む): 4682240640

約数和(自身を除く): 2601875960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4691, 9382, 11087, 18764, 22174, 23455, 37528, 44348, 46910, 55435, 88696, 93820, 110870, 187640, 221740, 443480, 52009117, 104018234, 208036468, 260045585, 416072936, 520091170, 1040182340, 2080364680]

約数ペア:

[(1, 2080364680), (2, 1040182340), (4, 520091170), (5, 416072936), (8, 260045585), (10, 208036468), (20, 104018234), (40, 52009117), (4691, 443480), (9382, 221740), (11087, 187640), (18764, 110870), (22174, 93820), (23455, 88696), (37528, 55435), (44348, 46910)]