39787540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 90718992

約数和(自身を除く): 50931452

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1117, 1370, 1781, 2234, 2740, 3562, 4468, 5585, 7124, 8905, 11170, 14521, 17810, 22340, 29042, 35620, 58084, 72605, 145210, 153029, 290420, 306058, 612116, 765145, 1530290, 1989377, 3060580, 3978754, 7957508, 9946885, 19893770, 39787540]

約数ペア:

[(1, 39787540), (2, 19893770), (4, 9946885), (5, 7957508), (10, 3978754), (13, 3060580), (20, 1989377), (26, 1530290), (52, 765145), (65, 612116), (130, 306058), (137, 290420), (260, 153029), (274, 145210), (548, 72605), (685, 58084), (1117, 35620), (1370, 29042), (1781, 22340), (2234, 17810), (2740, 14521), (3562, 11170), (4468, 8905), (5585, 7124)]