40992536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 83037360

約数和(自身を除く): 42044824

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 613, 643, 1226, 1286, 2452, 2572, 4904, 5144, 7969, 8359, 15938, 16718, 31876, 33436, 63752, 66872, 394159, 788318, 1576636, 3153272, 5124067, 10248134, 20496268, 40992536]

約数ペア:

[(1, 40992536), (2, 20496268), (4, 10248134), (8, 5124067), (13, 3153272), (26, 1576636), (52, 788318), (104, 394159), (613, 66872), (643, 63752), (1226, 33436), (1286, 31876), (2452, 16718), (2572, 15938), (4904, 8359), (5144, 7969)]