40373968

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{12809}}^1$

素因数の和:13014

約数の個数: 20

約数和(自身を含む): 78627780

約数和(自身を除く): 38253812

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 12809, 25618, 51236, 102472, 204944, 2523373, 5046746, 10093492, 20186984, 40373968]

約数ペア:

[(1, 40373968), (2, 20186984), (4, 10093492), (8, 5046746), (16, 2523373), (197, 204944), (394, 102472), (788, 51236), (1576, 25618), (3152, 12809)]