87212800

素因数分解:

$2^8\times 5^2\times {\mathrm{13627}}^1$

素因数の和:13653

約数の個数: 54

約数和(自身を含む): 215881148

約数和(自身を除く): 128668348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 13627, 27254, 54508, 68135, 109016, 136270, 218032, 272540, 340675, 436064, 545080, 681350, 872128, 1090160, 1362700, 1744256, 2180320, 2725400, 3488512, 4360640, 5450800, 8721280, 10901600, 17442560, 21803200, 43606400, 87212800]

約数ペア:

[(1, 87212800), (2, 43606400), (4, 21803200), (5, 17442560), (8, 10901600), (10, 8721280), (16, 5450800), (20, 4360640), (25, 3488512), (32, 2725400), (40, 2180320), (50, 1744256), (64, 1362700), (80, 1090160), (100, 872128), (128, 681350), (160, 545080), (200, 436064), (256, 340675), (320, 272540), (400, 218032), (640, 136270), (800, 109016), (1280, 68135), (1600, 54508), (3200, 27254), (6400, 13627)]