39884620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 86220288

約数和(自身を除く): 46335668

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 191, 197, 212, 265, 382, 394, 530, 764, 788, 955, 985, 1060, 1910, 1970, 3820, 3940, 10123, 10441, 20246, 20882, 37627, 40492, 41764, 50615, 52205, 75254, 101230, 104410, 150508, 188135, 202460, 208820, 376270, 752540, 1994231, 3988462, 7976924, 9971155, 19942310, 39884620]

約数ペア:

[(1, 39884620), (2, 19942310), (4, 9971155), (5, 7976924), (10, 3988462), (20, 1994231), (53, 752540), (106, 376270), (191, 208820), (197, 202460), (212, 188135), (265, 150508), (382, 104410), (394, 101230), (530, 75254), (764, 52205), (788, 50615), (955, 41764), (985, 40492), (1060, 37627), (1910, 20882), (1970, 20246), (3820, 10441), (3940, 10123)]