71140120

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2161}}^1$

素因数の和:2995

約数の個数: 32

約数和(自身を含む): 160333920

約数和(自身を除く): 89193800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2161, 3292, 4115, 4322, 6584, 8230, 8644, 10805, 16460, 17288, 21610, 32920, 43220, 86440, 1778503, 3557006, 7114012, 8892515, 14228024, 17785030, 35570060, 71140120]

約数ペア:

[(1, 71140120), (2, 35570060), (4, 17785030), (5, 14228024), (8, 8892515), (10, 7114012), (20, 3557006), (40, 1778503), (823, 86440), (1646, 43220), (2161, 32920), (3292, 21610), (4115, 17288), (4322, 16460), (6584, 10805), (8230, 8644)]