87216100

素因数分解:

$2^2\times 5^2\times {\mathrm{872161}}^1$

素因数の和:872175

約数の個数: 18

約数和(自身を含む): 189259154

約数和(自身を除く): 102043054

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 872161, 1744322, 3488644, 4360805, 8721610, 17443220, 21804025, 43608050, 87216100]

約数ペア:

[(1, 87216100), (2, 43608050), (4, 21804025), (5, 17443220), (10, 8721610), (20, 4360805), (25, 3488644), (50, 1744322), (100, 872161)]