66814880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37963}}^1$

素因数の和:37989

約数の個数: 48

約数和(自身を含む): 172204704

約数和(自身を除く): 105389824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 37963, 75926, 151852, 189815, 303704, 379630, 417593, 607408, 759260, 835186, 1214816, 1518520, 1670372, 2087965, 3037040, 3340744, 4175930, 6074080, 6681488, 8351860, 13362976, 16703720, 33407440, 66814880]

約数ペア:

[(1, 66814880), (2, 33407440), (4, 16703720), (5, 13362976), (8, 8351860), (10, 6681488), (11, 6074080), (16, 4175930), (20, 3340744), (22, 3037040), (32, 2087965), (40, 1670372), (44, 1518520), (55, 1214816), (80, 835186), (88, 759260), (110, 607408), (160, 417593), (176, 379630), (220, 303704), (352, 189815), (440, 151852), (880, 75926), (1760, 37963)]