66627740

素因数分解:

$2^2\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3389}}^1$

素因数の和:4381

約数の個数: 24

約数和(自身を含む): 140101920

約数和(自身を除く): 73474180

約数列:

[1, 2, 4, 5, 10, 20, 983, 1966, 3389, 3932, 4915, 6778, 9830, 13556, 16945, 19660, 33890, 67780, 3331387, 6662774, 13325548, 16656935, 33313870, 66627740]

約数ペア:

[(1, 66627740), (2, 33313870), (4, 16656935), (5, 13325548), (10, 6662774), (20, 3331387), (983, 67780), (1966, 33890), (3389, 19660), (3932, 16945), (4915, 13556), (6778, 9830)]