80806856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3251}}^1$

素因数の和:3509

約数の個数: 32

約数和(自身を含む): 163900800

約数和(自身を除く): 83093944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 3251, 6214, 6502, 12428, 13004, 24856, 26008, 42263, 84526, 169052, 338104, 776989, 1553978, 3107956, 6215912, 10100857, 20201714, 40403428, 80806856]

約数ペア:

[(1, 80806856), (2, 40403428), (4, 20201714), (8, 10100857), (13, 6215912), (26, 3107956), (52, 1553978), (104, 776989), (239, 338104), (478, 169052), (956, 84526), (1912, 42263), (3107, 26008), (3251, 24856), (6214, 13004), (6502, 12428)]