80874280

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5279}}^1$

素因数の和:5673

約数の個数: 32

約数和(自身を含む): 182476800

約数和(自身を除く): 101602520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1532, 1915, 3064, 3830, 5279, 7660, 10558, 15320, 21116, 26395, 42232, 52790, 105580, 211160, 2021857, 4043714, 8087428, 10109285, 16174856, 20218570, 40437140, 80874280]

約数ペア:

[(1, 80874280), (2, 40437140), (4, 20218570), (5, 16174856), (8, 10109285), (10, 8087428), (20, 4043714), (40, 2021857), (383, 211160), (766, 105580), (1532, 52790), (1915, 42232), (3064, 26395), (3830, 21116), (5279, 15320), (7660, 10558)]