109408520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210401}}^1$

素因数の和:210425

約数の個数: 32

約数和(自身を含む): 265106520

約数和(自身を除く): 155698000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 210401, 420802, 841604, 1052005, 1683208, 2104010, 2735213, 4208020, 5470426, 8416040, 10940852, 13676065, 21881704, 27352130, 54704260, 109408520]

約数ペア:

[(1, 109408520), (2, 54704260), (4, 27352130), (5, 21881704), (8, 13676065), (10, 10940852), (13, 8416040), (20, 5470426), (26, 4208020), (40, 2735213), (52, 2104010), (65, 1683208), (104, 1052005), (130, 841604), (260, 420802), (520, 210401)]