51980020

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5167}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 109396224

約数和(自身を除く): 57416204

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 5167, 10060, 10334, 20668, 25835, 51670, 103340, 2599001, 5198002, 10396004, 12995005, 25990010, 51980020]

約数ペア:

[(1, 51980020), (2, 25990010), (4, 12995005), (5, 10396004), (10, 5198002), (20, 2599001), (503, 103340), (1006, 51670), (2012, 25835), (2515, 20668), (5030, 10334), (5167, 10060)]