65518280

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{10993}}^1$

素因数の和:11153

約数の個数: 32

約数和(自身を含む): 148419000

約数和(自身を除く): 82900720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 10993, 21986, 43972, 54965, 87944, 109930, 219860, 439720, 1637957, 3275914, 6551828, 8189785, 13103656, 16379570, 32759140, 65518280]

約数ペア:

[(1, 65518280), (2, 32759140), (4, 16379570), (5, 13103656), (8, 8189785), (10, 6551828), (20, 3275914), (40, 1637957), (149, 439720), (298, 219860), (596, 109930), (745, 87944), (1192, 54965), (1490, 43972), (2980, 21986), (5960, 10993)]