55645040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1770

約数の個数: 80

約数和(自身を含む): 145035360

約数和(自身を除く): 89390320

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, 592, 740, 814, 880, 1480, 1628, 1709, 2035, 2960, 3256, 3418, 4070, 6512, 6836, 8140, 8545, 13672, 16280, 17090, 18799, 27344, 32560, 34180, 37598, 63233, 68360, 75196, 93995, 126466, 136720, 150392, 187990, 252932, 300784, 316165, 375980, 505864, 632330, 695563, 751960, 1011728, 1264660, 1391126, 1503920, 2529320, 2782252, 3477815, 5058640, 5564504, 6955630, 11129008, 13911260, 27822520, 55645040]

約数ペア:

[(1, 55645040), (2, 27822520), (4, 13911260), (5, 11129008), (8, 6955630), (10, 5564504), (11, 5058640), (16, 3477815), (20, 2782252), (22, 2529320), (37, 1503920), (40, 1391126), (44, 1264660), (55, 1011728), (74, 751960), (80, 695563), (88, 632330), (110, 505864), (148, 375980), (176, 316165), (185, 300784), (220, 252932), (296, 187990), (370, 150392), (407, 136720), (440, 126466), (592, 93995), (740, 75196), (814, 68360), (880, 63233), (1480, 37598), (1628, 34180), (1709, 32560), (2035, 27344), (2960, 18799), (3256, 17090), (3418, 16280), (4070, 13672), (6512, 8545), (6836, 8140)]