4295240

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 9737280

約数和(自身を除く): 5442040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 643, 668, 835, 1286, 1336, 1670, 2572, 3215, 3340, 5144, 6430, 6680, 12860, 25720, 107381, 214762, 429524, 536905, 859048, 1073810, 2147620, 4295240]

約数ペア:

[(1, 4295240), (2, 2147620), (4, 1073810), (5, 859048), (8, 536905), (10, 429524), (20, 214762), (40, 107381), (167, 25720), (334, 12860), (643, 6680), (668, 6430), (835, 5144), (1286, 3340), (1336, 3215), (1670, 2572)]