40039856

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{12703}}^1$

素因数の和:12908

約数の個数: 20

約数和(自身を含む): 77977152

約数和(自身を除く): 37937296

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 12703, 25406, 50812, 101624, 203248, 2502491, 5004982, 10009964, 20019928, 40039856]

約数ペア:

[(1, 40039856), (2, 20019928), (4, 10009964), (8, 5004982), (16, 2502491), (197, 203248), (394, 101624), (788, 50812), (1576, 25406), (3152, 12703)]