87129160

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{11057}}^1$

素因数の和:11265

約数の個数: 32

約数和(自身を含む): 197053560

約数和(自身を除く): 109924400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 11057, 22114, 44228, 55285, 88456, 110570, 221140, 442280, 2178229, 4356458, 8712916, 10891145, 17425832, 21782290, 43564580, 87129160]

約数ペア:

[(1, 87129160), (2, 43564580), (4, 21782290), (5, 17425832), (8, 10891145), (10, 8712916), (20, 4356458), (40, 2178229), (197, 442280), (394, 221140), (788, 110570), (985, 88456), (1576, 55285), (1970, 44228), (3940, 22114), (7880, 11057)]