8283880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 20710080

約数和(自身を除く): 12426200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 281, 335, 440, 536, 562, 670, 737, 1124, 1340, 1405, 1474, 2248, 2680, 2810, 2948, 3091, 3685, 5620, 5896, 6182, 7370, 11240, 12364, 14740, 15455, 18827, 24728, 29480, 30910, 37654, 61820, 75308, 94135, 123640, 150616, 188270, 207097, 376540, 414194, 753080, 828388, 1035485, 1656776, 2070970, 4141940, 8283880]

約数ペア:

[(1, 8283880), (2, 4141940), (4, 2070970), (5, 1656776), (8, 1035485), (10, 828388), (11, 753080), (20, 414194), (22, 376540), (40, 207097), (44, 188270), (55, 150616), (67, 123640), (88, 94135), (110, 75308), (134, 61820), (220, 37654), (268, 30910), (281, 29480), (335, 24728), (440, 18827), (536, 15455), (562, 14740), (670, 12364), (737, 11240), (1124, 7370), (1340, 6182), (1405, 5896), (1474, 5620), (2248, 3685), (2680, 3091), (2810, 2948)]