83109520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 209830320

約数和(自身を除く): 126720800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 509, 520, 628, 785, 1018, 1040, 1256, 1570, 2036, 2041, 2512, 2545, 3140, 4072, 4082, 5090, 6280, 6617, 8144, 8164, 10180, 10205, 12560, 13234, 16328, 20360, 20410, 26468, 32656, 33085, 40720, 40820, 52936, 66170, 79913, 81640, 105872, 132340, 159826, 163280, 264680, 319652, 399565, 529360, 639304, 799130, 1038869, 1278608, 1598260, 2077738, 3196520, 4155476, 5194345, 6393040, 8310952, 10388690, 16621904, 20777380, 41554760, 83109520]

約数ペア:

[(1, 83109520), (2, 41554760), (4, 20777380), (5, 16621904), (8, 10388690), (10, 8310952), (13, 6393040), (16, 5194345), (20, 4155476), (26, 3196520), (40, 2077738), (52, 1598260), (65, 1278608), (80, 1038869), (104, 799130), (130, 639304), (157, 529360), (208, 399565), (260, 319652), (314, 264680), (509, 163280), (520, 159826), (628, 132340), (785, 105872), (1018, 81640), (1040, 79913), (1256, 66170), (1570, 52936), (2036, 40820), (2041, 40720), (2512, 33085), (2545, 32656), (3140, 26468), (4072, 20410), (4082, 20360), (5090, 16328), (6280, 13234), (6617, 12560), (8144, 10205), (8164, 10180)]