210980740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{80527}}^1$

素因数の和:80667

約数の個数: 24

約数和(自身を含む): 446447232

約数和(自身を除く): 235466492

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 80527, 161054, 322108, 402635, 805270, 1610540, 10549037, 21098074, 42196148, 52745185, 105490370, 210980740]

約数ペア:

[(1, 210980740), (2, 105490370), (4, 52745185), (5, 42196148), (10, 21098074), (20, 10549037), (131, 1610540), (262, 805270), (524, 402635), (655, 322108), (1310, 161054), (2620, 80527)]