8078980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 21901824

約数和(自身を除く): 13822844

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 35, 46, 52, 65, 70, 91, 92, 115, 130, 140, 161, 182, 193, 230, 260, 299, 322, 364, 386, 455, 460, 598, 644, 772, 805, 910, 965, 1196, 1351, 1495, 1610, 1820, 1930, 2093, 2509, 2702, 2990, 3220, 3860, 4186, 4439, 5018, 5404, 5980, 6755, 8372, 8878, 10036, 10465, 12545, 13510, 17563, 17756, 20930, 22195, 25090, 27020, 31073, 35126, 41860, 44390, 50180, 57707, 62146, 70252, 87815, 88780, 115414, 124292, 155365, 175630, 230828, 288535, 310730, 351260, 403949, 577070, 621460, 807898, 1154140, 1615796, 2019745, 4039490, 8078980]

約数ペア:

[(1, 8078980), (2, 4039490), (4, 2019745), (5, 1615796), (7, 1154140), (10, 807898), (13, 621460), (14, 577070), (20, 403949), (23, 351260), (26, 310730), (28, 288535), (35, 230828), (46, 175630), (52, 155365), (65, 124292), (70, 115414), (91, 88780), (92, 87815), (115, 70252), (130, 62146), (140, 57707), (161, 50180), (182, 44390), (193, 41860), (230, 35126), (260, 31073), (299, 27020), (322, 25090), (364, 22195), (386, 20930), (455, 17756), (460, 17563), (598, 13510), (644, 12545), (772, 10465), (805, 10036), (910, 8878), (965, 8372), (1196, 6755), (1351, 5980), (1495, 5404), (1610, 5018), (1820, 4439), (1930, 4186), (2093, 3860), (2509, 3220), (2702, 2990)]