72725890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{66721}}^1$

素因数の和:66837

約数の個数: 16

約数和(自身を含む): 132109560

約数和(自身を除く): 59383670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 66721, 133442, 333605, 667210, 7272589, 14545178, 36362945, 72725890]

約数ペア:

[(1, 72725890), (2, 36362945), (5, 14545178), (10, 7272589), (109, 667210), (218, 333605), (545, 133442), (1090, 66721)]