83876720

素因数分解:

$2^4\times 5^1\times {\mathrm{211}}^1\times {\mathrm{4969}}^1$

素因数の和:5193

約数の個数: 40

約数和(自身を含む): 195977040

約数和(自身を除く): 112100320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 211, 422, 844, 1055, 1688, 2110, 3376, 4220, 4969, 8440, 9938, 16880, 19876, 24845, 39752, 49690, 79504, 99380, 198760, 397520, 1048459, 2096918, 4193836, 5242295, 8387672, 10484590, 16775344, 20969180, 41938360, 83876720]

約数ペア:

[(1, 83876720), (2, 41938360), (4, 20969180), (5, 16775344), (8, 10484590), (10, 8387672), (16, 5242295), (20, 4193836), (40, 2096918), (80, 1048459), (211, 397520), (422, 198760), (844, 99380), (1055, 79504), (1688, 49690), (2110, 39752), (3376, 24845), (4220, 19876), (4969, 16880), (8440, 9938)]