3138400

素因数分解:

$2^5\times 5^2\times {\mathrm{3923}}^1$

素因数の和:3943

約数の個数: 36

約数和(自身を含む): 7663572

約数和(自身を除く): 4525172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 3923, 7846, 15692, 19615, 31384, 39230, 62768, 78460, 98075, 125536, 156920, 196150, 313840, 392300, 627680, 784600, 1569200, 3138400]

約数ペア:

[(1, 3138400), (2, 1569200), (4, 784600), (5, 627680), (8, 392300), (10, 313840), (16, 196150), (20, 156920), (25, 125536), (32, 98075), (40, 78460), (50, 62768), (80, 39230), (100, 31384), (160, 19615), (200, 15692), (400, 7846), (800, 3923)]