7242280

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{547}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 16374240

約数和(自身を除く): 9131960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 547, 662, 1094, 1324, 1655, 2188, 2648, 2735, 3310, 4376, 5470, 6620, 10940, 13240, 21880, 181057, 362114, 724228, 905285, 1448456, 1810570, 3621140, 7242280]

約数ペア:

[(1, 7242280), (2, 3621140), (4, 1810570), (5, 1448456), (8, 905285), (10, 724228), (20, 362114), (40, 181057), (331, 21880), (547, 13240), (662, 10940), (1094, 6620), (1324, 5470), (1655, 4376), (2188, 3310), (2648, 2735)]