132980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 24

約数和(自身を含む): 286440

約数和(自身を除く): 153460

約数列:

[1, 2, 4, 5, 10, 20, 61, 109, 122, 218, 244, 305, 436, 545, 610, 1090, 1220, 2180, 6649, 13298, 26596, 33245, 66490, 132980]

約数ペア:

[(1, 132980), (2, 66490), (4, 33245), (5, 26596), (10, 13298), (20, 6649), (61, 2180), (109, 1220), (122, 1090), (218, 610), (244, 545), (305, 436)]