8416540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 19603584

約数和(自身を除く): 11187044

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 571, 670, 737, 1142, 1340, 1474, 2284, 2855, 2948, 3685, 5710, 6281, 7370, 11420, 12562, 14740, 25124, 31405, 38257, 62810, 76514, 125620, 153028, 191285, 382570, 420827, 765140, 841654, 1683308, 2104135, 4208270, 8416540]

約数ペア:

[(1, 8416540), (2, 4208270), (4, 2104135), (5, 1683308), (10, 841654), (11, 765140), (20, 420827), (22, 382570), (44, 191285), (55, 153028), (67, 125620), (110, 76514), (134, 62810), (220, 38257), (268, 31405), (335, 25124), (571, 14740), (670, 12562), (737, 11420), (1142, 7370), (1340, 6281), (1474, 5710), (2284, 3685), (2855, 2948)]