87210400

素因数分解:

$2^5\times 5^2\times {\mathrm{109013}}^1$

素因数の和:109033

約数の個数: 36

約数和(自身を含む): 212904342

約数和(自身を除く): 125693942

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 109013, 218026, 436052, 545065, 872104, 1090130, 1744208, 2180260, 2725325, 3488416, 4360520, 5450650, 8721040, 10901300, 17442080, 21802600, 43605200, 87210400]

約数ペア:

[(1, 87210400), (2, 43605200), (4, 21802600), (5, 17442080), (8, 10901300), (10, 8721040), (16, 5450650), (20, 4360520), (25, 3488416), (32, 2725325), (40, 2180260), (50, 1744208), (80, 1090130), (100, 872104), (160, 545065), (200, 436052), (400, 218026), (800, 109013)]