89408240

素因数分解:

$2^4\times 5^1\times {\mathrm{1117603}}^1$

素因数の和:1117616

約数の個数: 20

約数和(自身を含む): 207874344

約数和(自身を除く): 118466104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1117603, 2235206, 4470412, 5588015, 8940824, 11176030, 17881648, 22352060, 44704120, 89408240]

約数ペア:

[(1, 89408240), (2, 44704120), (4, 22352060), (5, 17881648), (8, 11176030), (10, 8940824), (16, 5588015), (20, 4470412), (40, 2235206), (80, 1117603)]