1981600

素因数分解:

$2^5\times 5^2\times {\mathrm{2477}}^1$

素因数の和:2497

約数の個数: 36

約数和(自身を含む): 4839534

約数和(自身を除く): 2857934

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2477, 4954, 9908, 12385, 19816, 24770, 39632, 49540, 61925, 79264, 99080, 123850, 198160, 247700, 396320, 495400, 990800, 1981600]

約数ペア:

[(1, 1981600), (2, 990800), (4, 495400), (5, 396320), (8, 247700), (10, 198160), (16, 123850), (20, 99080), (25, 79264), (32, 61925), (40, 49540), (50, 39632), (80, 24770), (100, 19816), (160, 12385), (200, 9908), (400, 4954), (800, 2477)]