8951620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 19595520

約数和(自身を除く): 10643900

約数列:

[1, 2, 4, 5, 10, 20, 47, 89, 94, 107, 178, 188, 214, 235, 356, 428, 445, 470, 535, 890, 940, 1070, 1780, 2140, 4183, 5029, 8366, 9523, 10058, 16732, 19046, 20116, 20915, 25145, 38092, 41830, 47615, 50290, 83660, 95230, 100580, 190460, 447581, 895162, 1790324, 2237905, 4475810, 8951620]

約数ペア:

[(1, 8951620), (2, 4475810), (4, 2237905), (5, 1790324), (10, 895162), (20, 447581), (47, 190460), (89, 100580), (94, 95230), (107, 83660), (178, 50290), (188, 47615), (214, 41830), (235, 38092), (356, 25145), (428, 20915), (445, 20116), (470, 19046), (535, 16732), (890, 10058), (940, 9523), (1070, 8366), (1780, 5029), (2140, 4183)]