84806320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 204763680

約数和(自身を除く): 119957360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 277, 344, 356, 430, 445, 554, 688, 712, 860, 890, 1108, 1385, 1424, 1720, 1780, 2216, 2770, 3440, 3560, 3827, 4432, 5540, 7120, 7654, 11080, 11911, 15308, 19135, 22160, 23822, 24653, 30616, 38270, 47644, 49306, 59555, 61232, 76540, 95288, 98612, 119110, 123265, 153080, 190576, 197224, 238220, 246530, 306160, 394448, 476440, 493060, 952880, 986120, 1060079, 1972240, 2120158, 4240316, 5300395, 8480632, 10600790, 16961264, 21201580, 42403160, 84806320]

約数ペア:

[(1, 84806320), (2, 42403160), (4, 21201580), (5, 16961264), (8, 10600790), (10, 8480632), (16, 5300395), (20, 4240316), (40, 2120158), (43, 1972240), (80, 1060079), (86, 986120), (89, 952880), (172, 493060), (178, 476440), (215, 394448), (277, 306160), (344, 246530), (356, 238220), (430, 197224), (445, 190576), (554, 153080), (688, 123265), (712, 119110), (860, 98612), (890, 95288), (1108, 76540), (1385, 61232), (1424, 59555), (1720, 49306), (1780, 47644), (2216, 38270), (2770, 30616), (3440, 24653), (3560, 23822), (3827, 22160), (4432, 19135), (5540, 15308), (7120, 11911), (7654, 11080)]