2004865480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1616827}}^1$

素因数の和:1616869

約数の個数: 32

約数和(自身を含む): 4656464640

約数和(自身を除く): 2651599160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1616827, 3233654, 6467308, 8084135, 12934616, 16168270, 32336540, 50121637, 64673080, 100243274, 200486548, 250608185, 400973096, 501216370, 1002432740, 2004865480]

約数ペア:

[(1, 2004865480), (2, 1002432740), (4, 501216370), (5, 400973096), (8, 250608185), (10, 200486548), (20, 100243274), (31, 64673080), (40, 50121637), (62, 32336540), (124, 16168270), (155, 12934616), (248, 8084135), (310, 6467308), (620, 3233654), (1240, 1616827)]