39907540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 87220224

約数和(自身を除く): 47312684

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 337, 382, 620, 674, 764, 955, 1348, 1685, 1910, 3370, 3820, 5921, 6740, 10447, 11842, 20894, 23684, 29605, 41788, 52235, 59210, 64367, 104470, 118420, 128734, 208940, 257468, 321835, 643670, 1287340, 1995377, 3990754, 7981508, 9976885, 19953770, 39907540]

約数ペア:

[(1, 39907540), (2, 19953770), (4, 9976885), (5, 7981508), (10, 3990754), (20, 1995377), (31, 1287340), (62, 643670), (124, 321835), (155, 257468), (191, 208940), (310, 128734), (337, 118420), (382, 104470), (620, 64367), (674, 59210), (764, 52235), (955, 41788), (1348, 29605), (1685, 23684), (1910, 20894), (3370, 11842), (3820, 10447), (5921, 6740)]