72201980

素因数分解:

$2^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{5021}}^1$

素因数の和:5749

約数の個数: 24

約数和(自身を含む): 151865280

約数和(自身を除く): 79663300

約数列:

[1, 2, 4, 5, 10, 20, 719, 1438, 2876, 3595, 5021, 7190, 10042, 14380, 20084, 25105, 50210, 100420, 3610099, 7220198, 14440396, 18050495, 36100990, 72201980]

約数ペア:

[(1, 72201980), (2, 36100990), (4, 18050495), (5, 14440396), (10, 7220198), (20, 3610099), (719, 100420), (1438, 50210), (2876, 25105), (3595, 20084), (5021, 14380), (7190, 10042)]