72821810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{66809}}^1$

素因数の和:66925

約数の個数: 16

約数和(自身を含む): 132283800

約数和(自身を除く): 59461990

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 66809, 133618, 334045, 668090, 7282181, 14564362, 36410905, 72821810]

約数ペア:

[(1, 72821810), (2, 36410905), (5, 14564362), (10, 7282181), (109, 668090), (218, 334045), (545, 133618), (1090, 66809)]