85464580

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{23609}}^1$

素因数の和:23799

約数の個数: 24

約数和(自身を含む): 180474840

約数和(自身を除く): 95010260

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 23609, 47218, 94436, 118045, 236090, 472180, 4273229, 8546458, 17092916, 21366145, 42732290, 85464580]

約数ペア:

[(1, 85464580), (2, 42732290), (4, 21366145), (5, 17092916), (10, 8546458), (20, 4273229), (181, 472180), (362, 236090), (724, 118045), (905, 94436), (1810, 47218), (3620, 23609)]