38939440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4549}}^1$

素因数の和:4669

約数の個数: 40

約数和(自身を含む): 91400400

約数和(自身を除く): 52460960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 4549, 8560, 9098, 18196, 22745, 36392, 45490, 72784, 90980, 181960, 363920, 486743, 973486, 1946972, 2433715, 3893944, 4867430, 7787888, 9734860, 19469720, 38939440]

約数ペア:

[(1, 38939440), (2, 19469720), (4, 9734860), (5, 7787888), (8, 4867430), (10, 3893944), (16, 2433715), (20, 1946972), (40, 973486), (80, 486743), (107, 363920), (214, 181960), (428, 90980), (535, 72784), (856, 45490), (1070, 36392), (1712, 22745), (2140, 18196), (4280, 9098), (4549, 8560)]