4328400400

素因数分解:

$2^4\times 5^2\times {\mathrm{10821001}}^1$

素因数の和:10821019

約数の個数: 30

約数和(自身を含む): 10398982922

約数和(自身を除く): 6070582522

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 10821001, 21642002, 43284004, 54105005, 86568008, 108210010, 173136016, 216420020, 270525025, 432840040, 541050050, 865680080, 1082100100, 2164200200, 4328400400]

約数ペア:

[(1, 4328400400), (2, 2164200200), (4, 1082100100), (5, 865680080), (8, 541050050), (10, 432840040), (16, 270525025), (20, 216420020), (25, 173136016), (40, 108210010), (50, 86568008), (80, 54105005), (100, 43284004), (200, 21642002), (400, 10821001)]