40260016

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{19813}}^1$

素因数の和:19948

約数の個数: 20

約数和(自身を含む): 78621952

約数和(自身を除く): 38361936

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 19813, 39626, 79252, 158504, 317008, 2516251, 5032502, 10065004, 20130008, 40260016]

約数ペア:

[(1, 40260016), (2, 20130008), (4, 10065004), (8, 5032502), (16, 2516251), (127, 317008), (254, 158504), (508, 79252), (1016, 39626), (2032, 19813)]