83640520

素因数分解:

$2^3\times 5^1\times {\mathrm{617}}^1\times {\mathrm{3389}}^1$

素因数の和:4017

約数の個数: 32

約数和(自身を含む): 188551800

約数和(自身を除く): 104911280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 617, 1234, 2468, 3085, 3389, 4936, 6170, 6778, 12340, 13556, 16945, 24680, 27112, 33890, 67780, 135560, 2091013, 4182026, 8364052, 10455065, 16728104, 20910130, 41820260, 83640520]

約数ペア:

[(1, 83640520), (2, 41820260), (4, 20910130), (5, 16728104), (8, 10455065), (10, 8364052), (20, 4182026), (40, 2091013), (617, 135560), (1234, 67780), (2468, 33890), (3085, 27112), (3389, 24680), (4936, 16945), (6170, 13556), (6778, 12340)]