9540920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2459}}^1$

素因数の和:2567

約数の個数: 32

約数和(自身を含む): 21697200

約数和(自身を除く): 12156280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 2459, 3880, 4918, 9836, 12295, 19672, 24590, 49180, 98360, 238523, 477046, 954092, 1192615, 1908184, 2385230, 4770460, 9540920]

約数ペア:

[(1, 9540920), (2, 4770460), (4, 2385230), (5, 1908184), (8, 1192615), (10, 954092), (20, 477046), (40, 238523), (97, 98360), (194, 49180), (388, 24590), (485, 19672), (776, 12295), (970, 9836), (1940, 4918), (2459, 3880)]