201415640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{70921}}^1$

素因数の和:71003

約数の個数: 32

約数和(自身を含む): 459574560

約数和(自身を除く): 258158920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 70921, 141842, 283684, 354605, 567368, 709210, 1418420, 2836840, 5035391, 10070782, 20141564, 25176955, 40283128, 50353910, 100707820, 201415640]

約数ペア:

[(1, 201415640), (2, 100707820), (4, 50353910), (5, 40283128), (8, 25176955), (10, 20141564), (20, 10070782), (40, 5035391), (71, 2836840), (142, 1418420), (284, 709210), (355, 567368), (568, 354605), (710, 283684), (1420, 141842), (2840, 70921)]