20010800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2633}}^1$

素因数の和:2670

約数の個数: 60

約数和(自身を含む): 50625480

約数和(自身を除く): 30614680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 2633, 3800, 5266, 7600, 10532, 13165, 21064, 26330, 42128, 50027, 52660, 65825, 100054, 105320, 131650, 200108, 210640, 250135, 263300, 400216, 500270, 526600, 800432, 1000540, 1053200, 1250675, 2001080, 2501350, 4002160, 5002700, 10005400, 20010800]

約数ペア:

[(1, 20010800), (2, 10005400), (4, 5002700), (5, 4002160), (8, 2501350), (10, 2001080), (16, 1250675), (19, 1053200), (20, 1000540), (25, 800432), (38, 526600), (40, 500270), (50, 400216), (76, 263300), (80, 250135), (95, 210640), (100, 200108), (152, 131650), (190, 105320), (200, 100054), (304, 65825), (380, 52660), (400, 50027), (475, 42128), (760, 26330), (950, 21064), (1520, 13165), (1900, 10532), (2633, 7600), (3800, 5266)]