67288520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129401}}^1$

素因数の和:129425

約数の個数: 32

約数和(自身を含む): 163046520

約数和(自身を除く): 95758000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 129401, 258802, 517604, 647005, 1035208, 1294010, 1682213, 2588020, 3364426, 5176040, 6728852, 8411065, 13457704, 16822130, 33644260, 67288520]

約数ペア:

[(1, 67288520), (2, 33644260), (4, 16822130), (5, 13457704), (8, 8411065), (10, 6728852), (13, 5176040), (20, 3364426), (26, 2588020), (40, 1682213), (52, 1294010), (65, 1035208), (104, 647005), (130, 517604), (260, 258802), (520, 129401)]