13820004080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1019}}^1\times {\mathrm{3607}}^1$

素因数の和:4686

約数の個数: 80

約数和(自身を含む): 32856468480

約数和(自身を除く): 19036464400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1019, 1880, 2038, 3607, 3760, 4076, 5095, 7214, 8152, 10190, 14428, 16304, 18035, 20380, 28856, 36070, 40760, 47893, 57712, 72140, 81520, 95786, 144280, 169529, 191572, 239465, 288560, 339058, 383144, 478930, 678116, 766288, 847645, 957860, 1356232, 1695290, 1915720, 2712464, 3390580, 3675533, 3831440, 6781160, 7351066, 13562320, 14702132, 18377665, 29404264, 36755330, 58808528, 73510660, 147021320, 172750051, 294042640, 345500102, 691000204, 863750255, 1382000408, 1727500510, 2764000816, 3455001020, 6910002040, 13820004080]

約数ペア:

[(1, 13820004080), (2, 6910002040), (4, 3455001020), (5, 2764000816), (8, 1727500510), (10, 1382000408), (16, 863750255), (20, 691000204), (40, 345500102), (47, 294042640), (80, 172750051), (94, 147021320), (188, 73510660), (235, 58808528), (376, 36755330), (470, 29404264), (752, 18377665), (940, 14702132), (1019, 13562320), (1880, 7351066), (2038, 6781160), (3607, 3831440), (3760, 3675533), (4076, 3390580), (5095, 2712464), (7214, 1915720), (8152, 1695290), (10190, 1356232), (14428, 957860), (16304, 847645), (18035, 766288), (20380, 678116), (28856, 478930), (36070, 383144), (40760, 339058), (47893, 288560), (57712, 239465), (72140, 191572), (81520, 169529), (95786, 144280)]