125772680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1451}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 310495680

約数和(自身を除く): 184723000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 197, 220, 394, 440, 788, 985, 1451, 1576, 1970, 2167, 2902, 3940, 4334, 5804, 7255, 7880, 8668, 10835, 11608, 14510, 15961, 17336, 21670, 29020, 31922, 43340, 58040, 63844, 79805, 86680, 127688, 159610, 285847, 319220, 571694, 638440, 1143388, 1429235, 2286776, 2858470, 3144317, 5716940, 6288634, 11433880, 12577268, 15721585, 25154536, 31443170, 62886340, 125772680]

約数ペア:

[(1, 125772680), (2, 62886340), (4, 31443170), (5, 25154536), (8, 15721585), (10, 12577268), (11, 11433880), (20, 6288634), (22, 5716940), (40, 3144317), (44, 2858470), (55, 2286776), (88, 1429235), (110, 1143388), (197, 638440), (220, 571694), (394, 319220), (440, 285847), (788, 159610), (985, 127688), (1451, 86680), (1576, 79805), (1970, 63844), (2167, 58040), (2902, 43340), (3940, 31922), (4334, 29020), (5804, 21670), (7255, 17336), (7880, 15961), (8668, 14510), (10835, 11608)]