16247440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:560

約数の個数: 80

約数和(自身を含む): 42408000

約数和(自身を除く): 26160560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 499, 592, 740, 814, 880, 998, 1480, 1628, 1996, 2035, 2495, 2960, 3256, 3992, 4070, 4990, 5489, 6512, 7984, 8140, 9980, 10978, 16280, 18463, 19960, 21956, 27445, 32560, 36926, 39920, 43912, 54890, 73852, 87824, 92315, 109780, 147704, 184630, 203093, 219560, 295408, 369260, 406186, 439120, 738520, 812372, 1015465, 1477040, 1624744, 2030930, 3249488, 4061860, 8123720, 16247440]

約数ペア:

[(1, 16247440), (2, 8123720), (4, 4061860), (5, 3249488), (8, 2030930), (10, 1624744), (11, 1477040), (16, 1015465), (20, 812372), (22, 738520), (37, 439120), (40, 406186), (44, 369260), (55, 295408), (74, 219560), (80, 203093), (88, 184630), (110, 147704), (148, 109780), (176, 92315), (185, 87824), (220, 73852), (296, 54890), (370, 43912), (407, 39920), (440, 36926), (499, 32560), (592, 27445), (740, 21956), (814, 19960), (880, 18463), (998, 16280), (1480, 10978), (1628, 9980), (1996, 8140), (2035, 7984), (2495, 6512), (2960, 5489), (3256, 4990), (3992, 4070)]