156965081920

素因数分解:

$2^6\times 5^1\times {\mathrm{490515881}}^1$

素因数の和:490515898

約数の個数: 28

約数和(自身を含む): 373773102084

約数和(自身を除く): 216808020164

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 490515881, 981031762, 1962063524, 2452579405, 3924127048, 4905158810, 7848254096, 9810317620, 15696508192, 19620635240, 31393016384, 39241270480, 78482540960, 156965081920]

約数ペア:

[(1, 156965081920), (2, 78482540960), (4, 39241270480), (5, 31393016384), (8, 19620635240), (10, 15696508192), (16, 9810317620), (20, 7848254096), (32, 4905158810), (40, 3924127048), (64, 2452579405), (80, 1962063524), (160, 981031762), (320, 490515881)]