20171703680

素因数分解:

$2^7\times 5^1\times {\mathrm{31518287}}^1$

素因数の和:31518306

約数の個数: 32

約数和(自身を含む): 48222980640

約数和(自身を除く): 28051276960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31518287, 63036574, 126073148, 157591435, 252146296, 315182870, 504292592, 630365740, 1008585184, 1260731480, 2017170368, 2521462960, 4034340736, 5042925920, 10085851840, 20171703680]

約数ペア:

[(1, 20171703680), (2, 10085851840), (4, 5042925920), (5, 4034340736), (8, 2521462960), (10, 2017170368), (16, 1260731480), (20, 1008585184), (32, 630365740), (40, 504292592), (64, 315182870), (80, 252146296), (128, 157591435), (160, 126073148), (320, 63036574), (640, 31518287)]