88894729160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11281057}}^1$

素因数の和:11281265

約数の個数: 32

約数和(自身を含む): 201028453560

約数和(自身を除く): 112133724400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 11281057, 22562114, 45124228, 56405285, 90248456, 112810570, 225621140, 451242280, 2222368229, 4444736458, 8889472916, 11111841145, 17778945832, 22223682290, 44447364580, 88894729160]

約数ペア:

[(1, 88894729160), (2, 44447364580), (4, 22223682290), (5, 17778945832), (8, 11111841145), (10, 8889472916), (20, 4444736458), (40, 2222368229), (197, 451242280), (394, 225621140), (788, 112810570), (985, 90248456), (1576, 56405285), (1970, 45124228), (3940, 22562114), (7880, 11281057)]