395771920

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{35591}}^1$

素因数の和:35743

約数の個数: 40

約数和(自身を含む): 926815680

約数和(自身を除く): 531043760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 35591, 71182, 142364, 177955, 284728, 355910, 569456, 711820, 1423640, 2847280, 4947149, 9894298, 19788596, 24735745, 39577192, 49471490, 79154384, 98942980, 197885960, 395771920]

約数ペア:

[(1, 395771920), (2, 197885960), (4, 98942980), (5, 79154384), (8, 49471490), (10, 39577192), (16, 24735745), (20, 19788596), (40, 9894298), (80, 4947149), (139, 2847280), (278, 1423640), (556, 711820), (695, 569456), (1112, 355910), (1390, 284728), (2224, 177955), (2780, 142364), (5560, 71182), (11120, 35591)]