51072440

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13163}}^1$

素因数の和:13271

約数の個数: 32

約数和(自身を含む): 116106480

約数和(自身を除く): 65034040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 13163, 26326, 52652, 65815, 105304, 131630, 263260, 526520, 1276811, 2553622, 5107244, 6384055, 10214488, 12768110, 25536220, 51072440]

約数ペア:

[(1, 51072440), (2, 25536220), (4, 12768110), (5, 10214488), (8, 6384055), (10, 5107244), (20, 2553622), (40, 1276811), (97, 526520), (194, 263260), (388, 131630), (485, 105304), (776, 65815), (970, 52652), (1940, 26326), (3880, 13163)]