17291280920

素因数分解:

$2^3\times 5^1\times {\mathrm{3643}}^1\times {\mathrm{118661}}^1$

素因数の和:122315

約数の個数: 32

約数和(自身を含む): 38916389520

約数和(自身を除く): 21625108600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3643, 7286, 14572, 18215, 29144, 36430, 72860, 118661, 145720, 237322, 474644, 593305, 949288, 1186610, 2373220, 4746440, 432282023, 864564046, 1729128092, 2161410115, 3458256184, 4322820230, 8645640460, 17291280920]

約数ペア:

[(1, 17291280920), (2, 8645640460), (4, 4322820230), (5, 3458256184), (8, 2161410115), (10, 1729128092), (20, 864564046), (40, 432282023), (3643, 4746440), (7286, 2373220), (14572, 1186610), (18215, 949288), (29144, 593305), (36430, 474644), (72860, 237322), (118661, 145720)]