39690128

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{9883}}^1$

素因数の和:10142

約数の個数: 20

約数和(自身を含む): 77213808

約数和(自身を除く): 37523680

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 9883, 19766, 39532, 79064, 158128, 2480633, 4961266, 9922532, 19845064, 39690128]

約数ペア:

[(1, 39690128), (2, 19845064), (4, 9922532), (8, 4961266), (16, 2480633), (251, 158128), (502, 79064), (1004, 39532), (2008, 19766), (4016, 9883)]