38730980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10139}}^1$

素因数の和:10339

約数の個数: 24

約数和(自身を含む): 81768960

約数和(自身を除く): 43037980

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 10139, 20278, 40556, 50695, 101390, 202780, 1936549, 3873098, 7746196, 9682745, 19365490, 38730980]

約数ペア:

[(1, 38730980), (2, 19365490), (4, 9682745), (5, 7746196), (10, 3873098), (20, 1936549), (191, 202780), (382, 101390), (764, 50695), (955, 40556), (1910, 20278), (3820, 10139)]