22804720

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1657

約数の個数: 40

約数和(自身を含む): 53326944

約数和(自身を除く): 30522224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1447, 1576, 1970, 2894, 3152, 3940, 5788, 7235, 7880, 11576, 14470, 15760, 23152, 28940, 57880, 115760, 285059, 570118, 1140236, 1425295, 2280472, 2850590, 4560944, 5701180, 11402360, 22804720]

約数ペア:

[(1, 22804720), (2, 11402360), (4, 5701180), (5, 4560944), (8, 2850590), (10, 2280472), (16, 1425295), (20, 1140236), (40, 570118), (80, 285059), (197, 115760), (394, 57880), (788, 28940), (985, 23152), (1447, 15760), (1576, 14470), (1970, 11576), (2894, 7880), (3152, 7235), (3940, 5788)]