2715880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1579}}^1$

素因数の和:1633

約数の個数: 32

約数和(自身を含む): 6256800

約数和(自身を除く): 3540920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1579, 1720, 3158, 6316, 7895, 12632, 15790, 31580, 63160, 67897, 135794, 271588, 339485, 543176, 678970, 1357940, 2715880]

約数ペア:

[(1, 2715880), (2, 1357940), (4, 678970), (5, 543176), (8, 339485), (10, 271588), (20, 135794), (40, 67897), (43, 63160), (86, 31580), (172, 15790), (215, 12632), (344, 7895), (430, 6316), (860, 3158), (1579, 1720)]