51806080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1407

約数の個数: 64

約数和(自身を含む): 125974080

約数和(自身を除く): 74168000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1327, 1952, 2440, 2654, 3904, 4880, 5308, 6635, 7808, 9760, 10616, 13270, 19520, 21232, 26540, 39040, 42464, 53080, 80947, 84928, 106160, 161894, 169856, 212320, 323788, 404735, 424640, 647576, 809470, 849280, 1295152, 1618940, 2590304, 3237880, 5180608, 6475760, 10361216, 12951520, 25903040, 51806080]

約数ペア:

[(1, 51806080), (2, 25903040), (4, 12951520), (5, 10361216), (8, 6475760), (10, 5180608), (16, 3237880), (20, 2590304), (32, 1618940), (40, 1295152), (61, 849280), (64, 809470), (80, 647576), (122, 424640), (128, 404735), (160, 323788), (244, 212320), (305, 169856), (320, 161894), (488, 106160), (610, 84928), (640, 80947), (976, 53080), (1220, 42464), (1327, 39040), (1952, 26540), (2440, 21232), (2654, 19520), (3904, 13270), (4880, 10616), (5308, 9760), (6635, 7808)]