985280360

素因数分解:

$2^3\times 5^1\times {\mathrm{2339}}^1\times {\mathrm{10531}}^1$

素因数の和:12881

約数の個数: 32

約数和(自身を含む): 2218039200

約数和(自身を除く): 1232758840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2339, 4678, 9356, 10531, 11695, 18712, 21062, 23390, 42124, 46780, 52655, 84248, 93560, 105310, 210620, 421240, 24632009, 49264018, 98528036, 123160045, 197056072, 246320090, 492640180, 985280360]

約数ペア:

[(1, 985280360), (2, 492640180), (4, 246320090), (5, 197056072), (8, 123160045), (10, 98528036), (20, 49264018), (40, 24632009), (2339, 421240), (4678, 210620), (9356, 105310), (10531, 93560), (11695, 84248), (18712, 52655), (21062, 46780), (23390, 42124)]