2008606540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{5419}}^1$

素因数の和:5902

約数の個数: 48

約数和(自身を含む): 4326981120

約数和(自身を除く): 2318374580

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 431, 860, 862, 1724, 2155, 4310, 5419, 8620, 10838, 18533, 21676, 27095, 37066, 54190, 74132, 92665, 108380, 185330, 233017, 370660, 466034, 932068, 1165085, 2330170, 2335589, 4660340, 4671178, 9342356, 11677945, 23355890, 46711780, 100430327, 200860654, 401721308, 502151635, 1004303270, 2008606540]

約数ペア:

[(1, 2008606540), (2, 1004303270), (4, 502151635), (5, 401721308), (10, 200860654), (20, 100430327), (43, 46711780), (86, 23355890), (172, 11677945), (215, 9342356), (430, 4671178), (431, 4660340), (860, 2335589), (862, 2330170), (1724, 1165085), (2155, 932068), (4310, 466034), (5419, 370660), (8620, 233017), (10838, 185330), (18533, 108380), (21676, 92665), (27095, 74132), (37066, 54190)]