81630650

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2963}}^1$

素因数の和:3023

約数の個数: 48

約数和(自身を含む): 165391200

約数和(自身を除く): 83760550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 2963, 5510, 5926, 13775, 14815, 27550, 29630, 56297, 74075, 85927, 112594, 148150, 171854, 281485, 429635, 562970, 859270, 1407425, 1632613, 2148175, 2814850, 3265226, 4296350, 8163065, 16326130, 40815325, 81630650]

約数ペア:

[(1, 81630650), (2, 40815325), (5, 16326130), (10, 8163065), (19, 4296350), (25, 3265226), (29, 2814850), (38, 2148175), (50, 1632613), (58, 1407425), (95, 859270), (145, 562970), (190, 429635), (290, 281485), (475, 171854), (551, 148150), (725, 112594), (950, 85927), (1102, 74075), (1450, 56297), (2755, 29630), (2963, 27550), (5510, 14815), (5926, 13775)]