2685500

素因数分解:

$2^2\times 5^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 6054048

約数和(自身を除く): 3368548

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 125, 131, 164, 205, 250, 262, 410, 500, 524, 655, 820, 1025, 1310, 2050, 2620, 3275, 4100, 5125, 5371, 6550, 10250, 10742, 13100, 16375, 20500, 21484, 26855, 32750, 53710, 65500, 107420, 134275, 268550, 537100, 671375, 1342750, 2685500]

約数ペア:

[(1, 2685500), (2, 1342750), (4, 671375), (5, 537100), (10, 268550), (20, 134275), (25, 107420), (41, 65500), (50, 53710), (82, 32750), (100, 26855), (125, 21484), (131, 20500), (164, 16375), (205, 13100), (250, 10742), (262, 10250), (410, 6550), (500, 5371), (524, 5125), (655, 4100), (820, 3275), (1025, 2620), (1310, 2050)]