127920005620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8189501}}^1$

素因数の和:8189592

約数の個数: 48

約数和(自身を含む): 297180648576

約数和(自身を除く): 169260642956

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 7810, 15620, 8189501, 16379002, 32758004, 40947505, 81895010, 90084511, 163790020, 180169022, 360338044, 450422555, 581454571, 900845110, 1162909142, 1801690220, 2325818284, 2907272855, 5814545710, 6396000281, 11629091420, 12792000562, 25584001124, 31980001405, 63960002810, 127920005620]

約数ペア:

[(1, 127920005620), (2, 63960002810), (4, 31980001405), (5, 25584001124), (10, 12792000562), (11, 11629091420), (20, 6396000281), (22, 5814545710), (44, 2907272855), (55, 2325818284), (71, 1801690220), (110, 1162909142), (142, 900845110), (220, 581454571), (284, 450422555), (355, 360338044), (710, 180169022), (781, 163790020), (1420, 90084511), (1562, 81895010), (3124, 40947505), (3905, 32758004), (7810, 16379002), (15620, 8189501)]