206670400

素因数分解:

$2^6\times 5^2\times {\mathrm{129169}}^1$

素因数の和:129191

約数の個数: 42

約数和(自身を含む): 508542290

約数和(自身を除く): 301871890

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 129169, 258338, 516676, 645845, 1033352, 1291690, 2066704, 2583380, 3229225, 4133408, 5166760, 6458450, 8266816, 10333520, 12916900, 20667040, 25833800, 41334080, 51667600, 103335200, 206670400]

約数ペア:

[(1, 206670400), (2, 103335200), (4, 51667600), (5, 41334080), (8, 25833800), (10, 20667040), (16, 12916900), (20, 10333520), (25, 8266816), (32, 6458450), (40, 5166760), (50, 4133408), (64, 3229225), (80, 2583380), (100, 2066704), (160, 1291690), (200, 1033352), (320, 645845), (400, 516676), (800, 258338), (1600, 129169)]