80110000

素因数分解:

$2^4\times 5^4\times {\mathrm{8011}}^1$

素因数の和:8039

約数の個数: 50

約数和(自身を含む): 193978532

約数和(自身を除く): 113868532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8011, 10000, 16022, 32044, 40055, 64088, 80110, 128176, 160220, 200275, 320440, 400550, 640880, 801100, 1001375, 1602200, 2002750, 3204400, 4005500, 5006875, 8011000, 10013750, 16022000, 20027500, 40055000, 80110000]

約数ペア:

[(1, 80110000), (2, 40055000), (4, 20027500), (5, 16022000), (8, 10013750), (10, 8011000), (16, 5006875), (20, 4005500), (25, 3204400), (40, 2002750), (50, 1602200), (80, 1001375), (100, 801100), (125, 640880), (200, 400550), (250, 320440), (400, 200275), (500, 160220), (625, 128176), (1000, 80110), (1250, 64088), (2000, 40055), (2500, 32044), (5000, 16022), (8011, 10000)]