166556920

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{5147}}^1$

素因数の和:5967

約数の個数: 32

約数和(自身を含む): 375289200

約数和(自身を除く): 208732280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 3236, 4045, 5147, 6472, 8090, 10294, 16180, 20588, 25735, 32360, 41176, 51470, 102940, 205880, 4163923, 8327846, 16655692, 20819615, 33311384, 41639230, 83278460, 166556920]

約数ペア:

[(1, 166556920), (2, 83278460), (4, 41639230), (5, 33311384), (8, 20819615), (10, 16655692), (20, 8327846), (40, 4163923), (809, 205880), (1618, 102940), (3236, 51470), (4045, 41176), (5147, 32360), (6472, 25735), (8090, 20588), (10294, 16180)]