211379120

素因数分解:

$2^4\times 5^1\times {\mathrm{2642239}}^1$

素因数の和:2642252

約数の個数: 20

約数和(自身を含む): 491456640

約数和(自身を除く): 280077520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2642239, 5284478, 10568956, 13211195, 21137912, 26422390, 42275824, 52844780, 105689560, 211379120]

約数ペア:

[(1, 211379120), (2, 105689560), (4, 52844780), (5, 42275824), (8, 26422390), (10, 21137912), (16, 13211195), (20, 10568956), (40, 5284478), (80, 2642239)]