85203880

素因数分解:

$2^3\times 5^1\times {\mathrm{809}}^1\times {\mathrm{2633}}^1$

素因数の和:3453

約数の個数: 32

約数和(自身を含む): 192018600

約数和(自身を除く): 106814720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 809, 1618, 2633, 3236, 4045, 5266, 6472, 8090, 10532, 13165, 16180, 21064, 26330, 32360, 52660, 105320, 2130097, 4260194, 8520388, 10650485, 17040776, 21300970, 42601940, 85203880]

約数ペア:

[(1, 85203880), (2, 42601940), (4, 21300970), (5, 17040776), (8, 10650485), (10, 8520388), (20, 4260194), (40, 2130097), (809, 105320), (1618, 52660), (2633, 32360), (3236, 26330), (4045, 21064), (5266, 16180), (6472, 13165), (8090, 10532)]