48479720

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1223}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 109278720

約数和(自身を除く): 60799000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1223, 1982, 2446, 3964, 4892, 4955, 6115, 7928, 9784, 9910, 12230, 19820, 24460, 39640, 48920, 1211993, 2423986, 4847972, 6059965, 9695944, 12119930, 24239860, 48479720]

約数ペア:

[(1, 48479720), (2, 24239860), (4, 12119930), (5, 9695944), (8, 6059965), (10, 4847972), (20, 2423986), (40, 1211993), (991, 48920), (1223, 39640), (1982, 24460), (2446, 19820), (3964, 12230), (4892, 9910), (4955, 9784), (6115, 7928)]