7919720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1559}}^1$

素因数の和:1697

約数の個数: 32

約数和(自身を含む): 17971200

約数和(自身を除く): 10051480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1559, 2540, 3118, 5080, 6236, 7795, 12472, 15590, 31180, 62360, 197993, 395986, 791972, 989965, 1583944, 1979930, 3959860, 7919720]

約数ペア:

[(1, 7919720), (2, 3959860), (4, 1979930), (5, 1583944), (8, 989965), (10, 791972), (20, 395986), (40, 197993), (127, 62360), (254, 31180), (508, 15590), (635, 12472), (1016, 7795), (1270, 6236), (1559, 5080), (2540, 3118)]