38940464

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{78509}}^1$

素因数の和:78548

約数の個数: 20

約数和(自身を含む): 77881920

約数和(自身を除く): 38941456

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 78509, 157018, 314036, 628072, 1256144, 2433779, 4867558, 9735116, 19470232, 38940464]

約数ペア:

[(1, 38940464), (2, 19470232), (4, 9735116), (8, 4867558), (16, 2433779), (31, 1256144), (62, 628072), (124, 314036), (248, 157018), (496, 78509)]