64456040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{557}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 159096960

約数和(自身を除く): 94640920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 557, 1052, 1114, 1315, 2104, 2228, 2630, 2785, 2893, 4456, 5260, 5570, 5786, 6127, 10520, 11140, 11572, 12254, 14465, 22280, 23144, 24508, 28930, 30635, 49016, 57860, 61270, 115720, 122540, 146491, 245080, 292982, 585964, 732455, 1171928, 1464910, 1611401, 2929820, 3222802, 5859640, 6445604, 8057005, 12891208, 16114010, 32228020, 64456040]

約数ペア:

[(1, 64456040), (2, 32228020), (4, 16114010), (5, 12891208), (8, 8057005), (10, 6445604), (11, 5859640), (20, 3222802), (22, 2929820), (40, 1611401), (44, 1464910), (55, 1171928), (88, 732455), (110, 585964), (220, 292982), (263, 245080), (440, 146491), (526, 122540), (557, 115720), (1052, 61270), (1114, 57860), (1315, 49016), (2104, 30635), (2228, 28930), (2630, 24508), (2785, 23144), (2893, 22280), (4456, 14465), (5260, 12254), (5570, 11572), (5786, 11140), (6127, 10520)]