172320920

素因数分解:

$2^3\times 5^1\times {\mathrm{4308023}}^1$

素因数の和:4308034

約数の個数: 16

約数和(自身を含む): 387722160

約数和(自身を除く): 215401240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4308023, 8616046, 17232092, 21540115, 34464184, 43080230, 86160460, 172320920]

約数ペア:

[(1, 172320920), (2, 86160460), (4, 43080230), (5, 34464184), (8, 21540115), (10, 17232092), (20, 8616046), (40, 4308023)]