78448040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 194166720

約数和(自身を除く): 115718680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 262, 440, 524, 655, 1048, 1310, 1361, 1441, 2620, 2722, 2882, 5240, 5444, 5764, 6805, 7205, 10888, 11528, 13610, 14410, 14971, 27220, 28820, 29942, 54440, 57640, 59884, 74855, 119768, 149710, 178291, 299420, 356582, 598840, 713164, 891455, 1426328, 1782910, 1961201, 3565820, 3922402, 7131640, 7844804, 9806005, 15689608, 19612010, 39224020, 78448040]

約数ペア:

[(1, 78448040), (2, 39224020), (4, 19612010), (5, 15689608), (8, 9806005), (10, 7844804), (11, 7131640), (20, 3922402), (22, 3565820), (40, 1961201), (44, 1782910), (55, 1426328), (88, 891455), (110, 713164), (131, 598840), (220, 356582), (262, 299420), (440, 178291), (524, 149710), (655, 119768), (1048, 74855), (1310, 59884), (1361, 57640), (1441, 54440), (2620, 29942), (2722, 28820), (2882, 27220), (5240, 14971), (5444, 14410), (5764, 13610), (6805, 11528), (7205, 10888)]