39109840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1$

素因数の和:945

約数の個数: 120

約数和(自身を含む): 115519392

約数和(自身を除く): 76409552

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 907, 980, 1078, 1232, 1540, 1814, 1960, 2156, 2695, 3080, 3628, 3920, 4312, 4535, 5390, 6160, 6349, 7256, 8624, 9070, 9977, 10780, 12698, 14512, 18140, 19954, 21560, 25396, 31745, 36280, 39908, 43120, 44443, 49885, 50792, 63490, 69839, 72560, 79816, 88886, 99770, 101584, 126980, 139678, 159632, 177772, 199540, 222215, 253960, 279356, 349195, 355544, 399080, 444430, 488873, 507920, 558712, 698390, 711088, 798160, 888860, 977746, 1117424, 1396780, 1777720, 1955492, 2444365, 2793560, 3555440, 3910984, 4888730, 5587120, 7821968, 9777460, 19554920, 39109840]

約数ペア:

[(1, 39109840), (2, 19554920), (4, 9777460), (5, 7821968), (7, 5587120), (8, 4888730), (10, 3910984), (11, 3555440), (14, 2793560), (16, 2444365), (20, 1955492), (22, 1777720), (28, 1396780), (35, 1117424), (40, 977746), (44, 888860), (49, 798160), (55, 711088), (56, 698390), (70, 558712), (77, 507920), (80, 488873), (88, 444430), (98, 399080), (110, 355544), (112, 349195), (140, 279356), (154, 253960), (176, 222215), (196, 199540), (220, 177772), (245, 159632), (280, 139678), (308, 126980), (385, 101584), (392, 99770), (440, 88886), (490, 79816), (539, 72560), (560, 69839), (616, 63490), (770, 50792), (784, 49885), (880, 44443), (907, 43120), (980, 39908), (1078, 36280), (1232, 31745), (1540, 25396), (1814, 21560), (1960, 19954), (2156, 18140), (2695, 14512), (3080, 12698), (3628, 10780), (3920, 9977), (4312, 9070), (4535, 8624), (5390, 7256), (6160, 6349)]