83442040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2671}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 207774720

約数和(自身を除く): 124332680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2671, 2840, 3124, 3905, 5342, 6248, 7810, 10684, 13355, 15620, 21368, 26710, 29381, 31240, 53420, 58762, 106840, 117524, 146905, 189641, 235048, 293810, 379282, 587620, 758564, 948205, 1175240, 1517128, 1896410, 2086051, 3792820, 4172102, 7585640, 8344204, 10430255, 16688408, 20860510, 41721020, 83442040]

約数ペア:

[(1, 83442040), (2, 41721020), (4, 20860510), (5, 16688408), (8, 10430255), (10, 8344204), (11, 7585640), (20, 4172102), (22, 3792820), (40, 2086051), (44, 1896410), (55, 1517128), (71, 1175240), (88, 948205), (110, 758564), (142, 587620), (220, 379282), (284, 293810), (355, 235048), (440, 189641), (568, 146905), (710, 117524), (781, 106840), (1420, 58762), (1562, 53420), (2671, 31240), (2840, 29381), (3124, 26710), (3905, 21368), (5342, 15620), (6248, 13355), (7810, 10684)]