3921200

素因数分解:

$2^4\times 5^2\times {\mathrm{9803}}^1$

素因数の和:9821

約数の個数: 30

約数和(自身を含む): 9421644

約数和(自身を除く): 5500444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 9803, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 245075, 392120, 490150, 784240, 980300, 1960600, 3921200]

約数ペア:

[(1, 3921200), (2, 1960600), (4, 980300), (5, 784240), (8, 490150), (10, 392120), (16, 245075), (20, 196060), (25, 156848), (40, 98030), (50, 78424), (80, 49015), (100, 39212), (200, 19606), (400, 9803)]