4418660920

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{136547}}^1$

素因数の和:137367

約数の個数: 32

約数和(自身を含む): 9954349200

約数和(自身を除く): 5535688280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 6472, 8090, 16180, 32360, 136547, 273094, 546188, 682735, 1092376, 1365470, 2730940, 5461880, 110466523, 220933046, 441866092, 552332615, 883732184, 1104665230, 2209330460, 4418660920]

約数ペア:

[(1, 4418660920), (2, 2209330460), (4, 1104665230), (5, 883732184), (8, 552332615), (10, 441866092), (20, 220933046), (40, 110466523), (809, 5461880), (1618, 2730940), (3236, 1365470), (4045, 1092376), (6472, 682735), (8090, 546188), (16180, 273094), (32360, 136547)]