201994464040

素因数分解:

$2^3\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{3047593}}^1$

素因数の和:3049261

約数の個数: 32

約数和(自身を含む): 454761976680

約数和(自身を除く): 252767512640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1657, 3314, 6628, 8285, 13256, 16570, 33140, 66280, 3047593, 6095186, 12190372, 15237965, 24380744, 30475930, 60951860, 121903720, 5049861601, 10099723202, 20199446404, 25249308005, 40398892808, 50498616010, 100997232020, 201994464040]

約数ペア:

[(1, 201994464040), (2, 100997232020), (4, 50498616010), (5, 40398892808), (8, 25249308005), (10, 20199446404), (20, 10099723202), (40, 5049861601), (1657, 121903720), (3314, 60951860), (6628, 30475930), (8285, 24380744), (13256, 15237965), (16570, 12190372), (33140, 6095186), (66280, 3047593)]