4004016880

素因数分解:

$2^4\times 5^1\times {\mathrm{50050211}}^1$

素因数の和:50050224

約数の個数: 20

約数和(自身を含む): 9309339432

約数和(自身を除く): 5305322552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50050211, 100100422, 200200844, 250251055, 400401688, 500502110, 800803376, 1001004220, 2002008440, 4004016880]

約数ペア:

[(1, 4004016880), (2, 2002008440), (4, 1001004220), (5, 800803376), (8, 500502110), (10, 400401688), (16, 250251055), (20, 200200844), (40, 100100422), (80, 50050211)]