1680020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{503}}^1$

素因数の和:679

約数の個数: 24

約数和(自身を含む): 3556224

約数和(自身を除く): 1876204

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 503, 668, 835, 1006, 1670, 2012, 2515, 3340, 5030, 10060, 84001, 168002, 336004, 420005, 840010, 1680020]

約数ペア:

[(1, 1680020), (2, 840010), (4, 420005), (5, 336004), (10, 168002), (20, 84001), (167, 10060), (334, 5030), (503, 3340), (668, 2515), (835, 2012), (1006, 1670)]