4010997320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{128393}}^1$

素因数の和:128486

約数の個数: 64

約数和(自身を含む): 9983917440

約数和(自身を除く): 5972920120

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, 2840, 3124, 3905, 6248, 7810, 15620, 31240, 128393, 256786, 513572, 641965, 1027144, 1283930, 1412323, 2567860, 2824646, 5135720, 5649292, 7061615, 9115903, 11298584, 14123230, 18231806, 28246460, 36463612, 45579515, 56492920, 72927224, 91159030, 100274933, 182318060, 200549866, 364636120, 401099732, 501374665, 802199464, 1002749330, 2005498660, 4010997320]

約数ペア:

[(1, 4010997320), (2, 2005498660), (4, 1002749330), (5, 802199464), (8, 501374665), (10, 401099732), (11, 364636120), (20, 200549866), (22, 182318060), (40, 100274933), (44, 91159030), (55, 72927224), (71, 56492920), (88, 45579515), (110, 36463612), (142, 28246460), (220, 18231806), (284, 14123230), (355, 11298584), (440, 9115903), (568, 7061615), (710, 5649292), (781, 5135720), (1420, 2824646), (1562, 2567860), (2840, 1412323), (3124, 1283930), (3905, 1027144), (6248, 641965), (7810, 513572), (15620, 256786), (31240, 128393)]