2021223080

素因数分解:

$2^3\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{16253}}^1$

素因数の和:19373

約数の個数: 32

約数和(自身を含む): 4549494600

約数和(自身を除く): 2528271520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3109, 6218, 12436, 15545, 16253, 24872, 31090, 32506, 62180, 65012, 81265, 124360, 130024, 162530, 325060, 650120, 50530577, 101061154, 202122308, 252652885, 404244616, 505305770, 1010611540, 2021223080]

約数ペア:

[(1, 2021223080), (2, 1010611540), (4, 505305770), (5, 404244616), (8, 252652885), (10, 202122308), (20, 101061154), (40, 50530577), (3109, 650120), (6218, 325060), (12436, 162530), (15545, 130024), (16253, 124360), (24872, 81265), (31090, 65012), (32506, 62180)]