81953080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9803}}^1$

素因数の和:9844

約数の個数: 64

約数和(自身を含む): 211766400

約数和(自身を除く): 129813320

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 9803, 19606, 39212, 49015, 78424, 98030, 107833, 186257, 196060, 215666, 372514, 392120, 431332, 539165, 745028, 862664, 931285, 1078330, 1490056, 1862570, 2048827, 2156660, 3725140, 4097654, 4313320, 7450280, 8195308, 10244135, 16390616, 20488270, 40976540, 81953080]

約数ペア:

[(1, 81953080), (2, 40976540), (4, 20488270), (5, 16390616), (8, 10244135), (10, 8195308), (11, 7450280), (19, 4313320), (20, 4097654), (22, 3725140), (38, 2156660), (40, 2048827), (44, 1862570), (55, 1490056), (76, 1078330), (88, 931285), (95, 862664), (110, 745028), (152, 539165), (190, 431332), (209, 392120), (220, 372514), (380, 215666), (418, 196060), (440, 186257), (760, 107833), (836, 98030), (1045, 78424), (1672, 49015), (2090, 39212), (4180, 19606), (8360, 9803)]