53408800

素因数分解:

$2^5\times 5^2\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 72

約数和(自身を含む): 131874372

約数和(自身を除く): 78465572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 160, 200, 202, 400, 404, 505, 661, 800, 808, 1010, 1322, 1616, 2020, 2525, 2644, 3232, 3305, 4040, 5050, 5288, 6610, 8080, 10100, 10576, 13220, 16160, 16525, 20200, 21152, 26440, 33050, 40400, 52880, 66100, 66761, 80800, 105760, 132200, 133522, 264400, 267044, 333805, 528800, 534088, 667610, 1068176, 1335220, 1669025, 2136352, 2670440, 3338050, 5340880, 6676100, 10681760, 13352200, 26704400, 53408800]

約数ペア:

[(1, 53408800), (2, 26704400), (4, 13352200), (5, 10681760), (8, 6676100), (10, 5340880), (16, 3338050), (20, 2670440), (25, 2136352), (32, 1669025), (40, 1335220), (50, 1068176), (80, 667610), (100, 534088), (101, 528800), (160, 333805), (200, 267044), (202, 264400), (400, 133522), (404, 132200), (505, 105760), (661, 80800), (800, 66761), (808, 66100), (1010, 52880), (1322, 40400), (1616, 33050), (2020, 26440), (2525, 21152), (2644, 20200), (3232, 16525), (3305, 16160), (4040, 13220), (5050, 10576), (5288, 10100), (6610, 8080)]