40351090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8389}}^1$

素因数の和:8446

約数の個数: 32

約数和(自身を含む): 80342640

約数和(自身を除く): 39991550

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 8389, 16778, 41945, 83890, 109057, 218114, 310393, 545285, 620786, 1090570, 1551965, 3103930, 4035109, 8070218, 20175545, 40351090]

約数ペア:

[(1, 40351090), (2, 20175545), (5, 8070218), (10, 4035109), (13, 3103930), (26, 1551965), (37, 1090570), (65, 620786), (74, 545285), (130, 310393), (185, 218114), (370, 109057), (481, 83890), (962, 41945), (2405, 16778), (4810, 8389)]