40477264

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{10079}}^1$

素因数の和:10338

約数の個数: 20

約数和(自身を含む): 78744960

約数和(自身を除く): 38267696

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 10079, 20158, 40316, 80632, 161264, 2529829, 5059658, 10119316, 20238632, 40477264]

約数ペア:

[(1, 40477264), (2, 20238632), (4, 10119316), (8, 5059658), (16, 2529829), (251, 161264), (502, 80632), (1004, 40316), (2008, 20158), (4016, 10079)]