2568560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 6051696

約数和(自身を除く): 3483136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 331, 388, 485, 662, 776, 970, 1324, 1552, 1655, 1940, 2648, 3310, 3880, 5296, 6620, 7760, 13240, 26480, 32107, 64214, 128428, 160535, 256856, 321070, 513712, 642140, 1284280, 2568560]

約数ペア:

[(1, 2568560), (2, 1284280), (4, 642140), (5, 513712), (8, 321070), (10, 256856), (16, 160535), (20, 128428), (40, 64214), (80, 32107), (97, 26480), (194, 13240), (331, 7760), (388, 6620), (485, 5296), (662, 3880), (776, 3310), (970, 2648), (1324, 1940), (1552, 1655)]