12951520

素因数分解:

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

素因数の和:1403

約数の個数: 48

約数和(自身を含む): 31123008

約数和(自身を除く): 18171488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1327, 1952, 2440, 2654, 4880, 5308, 6635, 9760, 10616, 13270, 21232, 26540, 42464, 53080, 80947, 106160, 161894, 212320, 323788, 404735, 647576, 809470, 1295152, 1618940, 2590304, 3237880, 6475760, 12951520]

約数ペア:

[(1, 12951520), (2, 6475760), (4, 3237880), (5, 2590304), (8, 1618940), (10, 1295152), (16, 809470), (20, 647576), (32, 404735), (40, 323788), (61, 212320), (80, 161894), (122, 106160), (160, 80947), (244, 53080), (305, 42464), (488, 26540), (610, 21232), (976, 13270), (1220, 10616), (1327, 9760), (1952, 6635), (2440, 5308), (2654, 4880)]