208835540

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{20759}}^1$

素因数の和:21271

約数の個数: 24

約数和(自身を含む): 439447680

約数和(自身を除く): 230612140

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 20759, 41518, 83036, 103795, 207590, 415180, 10441777, 20883554, 41767108, 52208885, 104417770, 208835540]

約数ペア:

[(1, 208835540), (2, 104417770), (4, 52208885), (5, 41767108), (10, 20883554), (20, 10441777), (503, 415180), (1006, 207590), (2012, 103795), (2515, 83036), (5030, 41518), (10060, 20759)]