28471760

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{743}}^1$

素因数の和:1235

約数の個数: 40

約数和(自身を含む): 66424320

約数和(自身を除く): 37952560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 743, 958, 1486, 1916, 2395, 2972, 3715, 3832, 4790, 5944, 7430, 7664, 9580, 11888, 14860, 19160, 29720, 38320, 59440, 355897, 711794, 1423588, 1779485, 2847176, 3558970, 5694352, 7117940, 14235880, 28471760]

約数ペア:

[(1, 28471760), (2, 14235880), (4, 7117940), (5, 5694352), (8, 3558970), (10, 2847176), (16, 1779485), (20, 1423588), (40, 711794), (80, 355897), (479, 59440), (743, 38320), (958, 29720), (1486, 19160), (1916, 14860), (2395, 11888), (2972, 9580), (3715, 7664), (3832, 7430), (4790, 5944)]